{"id":22088,"date":"2018-11-21T12:11:13","date_gmt":"2018-11-21T06:41:13","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/?p=22088"},"modified":"2018-12-17T14:24:53","modified_gmt":"2018-12-17T08:54:53","slug":"cbse-question-paper-2013-class-12-chemistry","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/","title":{"rendered":"CBSE Question Paper 2013 class 12 Chemistry"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#Class_12_Chemistry_list_of_chapters\" >Class 12 Chemistry list of chapters<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#CBSE_Question_Paper_2013_class_12_Chemistry\" >CBSE Question Paper 2013 class 12 Chemistry<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#Childrens_Day_Quiz_on_14th_November_2018_How_to_Participate_Update_the_App_Tap_Test_Series_on_home_screen_Attempt_the_Quiz_online\" >Children's Day Quiz\non 14th November 2018 \nHow to Participate \nUpdate the App\nTap Test Series  on home screen\nAttempt the Quiz online<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#Update_myCBSEguide_App_Update_to_latest_version_and_enjoy_the_new_look_feel_of_your_favourite_study_app\" >Update myCBSEguide App\nUpdate to latest version and enjoy the new look & feel of your favourite study app.<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#CHEMISTRY_2013_Delhi\" >CHEMISTRY 2013 (Delhi)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#OR\" >OR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#OR-2\" >OR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#OR-3\" >OR<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#OR-4\" >OR<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#Chemistry_Question_Paper_2013\" >Chemistry Question Paper 2013<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#Previous_Year_Question_Paper_for_class_12_in_PDF\" >Previous Year Question Paper for class 12 in PDF<\/a><\/li><\/ul><\/nav><\/div>\n<p><strong>CBSE Question Paper 2013 class 12 Chemistry<\/strong>\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2013.\u00a0CBSE previous year question papers with the solution are available in the myCBSEguide mobile app and website. The Best CBSE App for students and teachers is myCBSEguide which provides complete study material and practice papers to CBSE schools in India and abroad.<\/p>\n<p style=\"text-align: center;\"><strong>CBSE Question Paper 2013 class 12 Chemistry\u00a0<\/strong><\/p>\n<p style=\"text-align: center;\"><strong><a class=\"button\" href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-12-chemistry\/1267\/cbse-last-year-papers\/3\/\">Download as PDF<\/a><\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg\" alt=\"CBSE Question Paper 2013 class 12 Chemistry\" width=\"124\" height=\"159\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Class_12_Chemistry_list_of_chapters\"><\/span>Class 12 Chemistry list of chapters<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li>The Solid State<\/li>\n<li>Solutions<\/li>\n<li>Electrochemistry<\/li>\n<li>Chemical Kinetics<\/li>\n<li>Surface Chemistry<\/li>\n<li>General Principles and Processes of Isolation of Elements<\/li>\n<li>The p-Block Elements<\/li>\n<li>The d and f Block Elements<\/li>\n<li>Coordination Compounds<\/li>\n<li>Haloalkanes and Haloarenes<\/li>\n<li>Alcohols, Phenols and Ethers<\/li>\n<li>Aldehydes, Ketones and Carboxylic Acids<\/li>\n<li>Amines<\/li>\n<li>Biomolecules<\/li>\n<li>Polymers<\/li>\n<li>Chemistry in Everyday life<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_Question_Paper_2013_class_12_Chemistry\"><\/span>CBSE Question Paper 2013 class 12 Chemistry<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><!-- Ionic's root component and where the app will load --><\/p>\n<div><!--\n<center>\n\n\n<h3 style=\"background-color: #FDFDDC\"; ><span class=\"ez-toc-section\" id=\"Childrens_Day_Quiz_on_14th_November_2018_How_to_Participate_Update_the_App_Tap_Test_Series_on_home_screen_Attempt_the_Quiz_online\"><\/span><font color=\"red\">Children's Day Quiz<\/font>\non 14th November 2018 <\/br>\n<font color=\"red\">How to Participate <\/font><\/br>\n<font color=\"green\">Update the App<\/font><\/br>\nTap <strong>Test Series <\/strong> on home screen<\/br>\n<font color=\"blue\">Attempt the Quiz online<\/font><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<\/center>\n\n--><!--\n<center>\n\n\n<h3 style=\"background-color: #FDFDDC\"; ><span class=\"ez-toc-section\" id=\"Update_myCBSEguide_App_Update_to_latest_version_and_enjoy_the_new_look_feel_of_your_favourite_study_app\"><\/span><font color=\"red\">Update myCBSEguide App<\/font>\n<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide\">Update<\/a> to latest version and enjoy the new look & feel of your favourite study app.<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n<\/center>\n\n--><\/div>\n<p style=\"text-align: left;\"><strong>General Instructions<\/strong><\/p>\n<ol>\n<li>All questions are compulsory.<\/li>\n<li>Marks for each question are indicated against it.<\/li>\n<li>Question numbers 1 to 8\u00a0are very short-answer questions, carrying 1 mark each. Answer these in one word or about one sentence each.<\/li>\n<li>Question numbers 9\u00a0to 18\u00a0are short-answer questions, carrying 2 marks each. Answer these in about 30 words each.<\/li>\n<li>Question numbers 19\u00a0to 27\u00a0are short-answer questions of 3 marks each. Answer\u00a0these in about 40 words each.<\/li>\n<li>Question numbers 28\u00a0to 30\u00a0are long-answer questions of 5 marks each. Answer these in about 70 words each.<\/li>\n<li>Use Log Tables, if necessary Use of calculators is not permitted.<\/li>\n<\/ol>\n<hr \/>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"CHEMISTRY_2013_Delhi\"><\/span><strong>CHEMISTRY 2013 (Delhi)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>1.<\/strong> How many atoms constitute one unit cell of a face-centered cubic crystal? <strong>[1]<\/strong><\/p>\n<p><strong>2.<\/strong> Name the method used for the refining of Nickel metal. <strong>[1]<\/strong><\/p>\n<p><strong>3. <\/strong>What is the covalency of nitrogen in <img decoding=\"async\" style=\"height: 25px; width: 48px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image003.png\" \/>\u00a0<strong>[1]<\/strong><\/p>\n<p><strong>4. <\/strong>Write the IUPAC name of <strong>[1]<\/strong><br \/>\n<img decoding=\"async\" id=\"Picture 1\" style=\"height: 49px; width: 195px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image004.jpg\" \/><\/p>\n<p><strong>5. <\/strong>What happens when <img decoding=\"async\" style=\"height: 25px; width: 66px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image005.png\" \/>\u00a0is treated with <img decoding=\"async\" style=\"height: 19px; width: 48px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image006.png\" \/>\u00a0<strong>[1]<\/strong><\/p>\n<p><strong>6. <\/strong>Write the structure of 3-methyl butanal. <strong>[1]<\/strong><\/p>\n<p><strong>7. <\/strong>Arrange the following in increasing order of their basic strength in aqueous solution: <strong>[1]<\/strong><br \/>\n<img decoding=\"async\" style=\"height: 25px; width: 201px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image007.png\" \/><\/p>\n<p><strong>8.<\/strong> What are three types of RNA molecules which perform different functions? <strong>[1]<\/strong><\/p>\n<p><strong>9.<\/strong> 18g of glucose, <img decoding=\"async\" style=\"height: 26px; width: 239px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image008.png\" \/>\u00a0is dissolved in 1Kg of water in a sauce pan. At what temperature will this solution boil? <strong>[2]<\/strong><\/p>\n<p><strong>10.<\/strong> The conductivity of 0.20 M solution of <img decoding=\"async\" style=\"height: 25px; width: 201px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image009.png\" \/>\u00a0Calculate its molar conductivity. <strong>[2]<\/strong><\/p>\n<p><strong>11. <\/strong>Write the dispersed phase and dispersion medium of the following colloidal system: <strong>[2]<\/strong><\/p>\n<p>(i) Smoke<br \/>\n(ii) Milk<\/p>\n<p style=\"text-align: center;\">OR<\/p>\n<p>What are lyophilic and lyophobic colloids? Which of these sols can be easily coagulated on the addition of small amounts of electrolytes?<strong> [2]<\/strong><\/p>\n<p><strong>12.<\/strong> Write the differences between physisorption and chemisorption with respect to the following: <strong>[2]<\/strong><\/p>\n<p>(i) Specificity<br \/>\n(ii) Temperature dependence<br \/>\n(iii) Reversibility and<br \/>\n(iv) Enthalpy change<\/p>\n<p><strong>13.<\/strong> (a) Which solution is used for the leaching of silver metal in the presence of air in the metallurgy of silver?<\/p>\n<p>(b) Out of C and CO, which is a better reducing agent at the lower temperature range in the blast furnace to extract iron from the oxide ore?<strong> [2]<\/strong><\/p>\n<p><strong>14. <\/strong>What happens when<\/p>\n<p>(i) <img decoding=\"async\" style=\"height: 25px; width: 35px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image010.png\" \/>\u00a0is heated?<br \/>\n(ii) <img decoding=\"async\" style=\"height: 25px; width: 48px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image011.png\" \/>\u00a0is heated?<\/p>\n<p>Write the reaction involved.<\/p>\n<p><strong>15.<\/strong> (a) Which metal in the first transition series (3d series) exhibits +1 oxidation state most frequently and why?<\/p>\n<p>(b) Which of the following cations are colored in aqueous solutions and why?<\/p>\n<p><img decoding=\"async\" style=\"height: 25px; width: 128px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image012.png\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 21px; width: 258px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image013.png\" \/><strong>\u00a0[2]<\/strong><\/p>\n<p><strong>16. <\/strong>Chlorobenzene is extremely less reactive towards a nucleophilic substitution reaction. Give two reasons for the same. <strong>[2]<\/strong><\/p>\n<p><strong>17.<\/strong> Explain the mechanism of the following reaction: <strong>[2]<\/strong><\/p>\n<p><img decoding=\"async\" style=\"height: 29px; width: 180px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image014.png\" \/><img decoding=\"async\" style=\"height: 26px; width: 219px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image015.png\" \/><\/p>\n<p><strong>18.<\/strong> How will you convert:<strong> [2]<\/strong><\/p>\n<p>(i) Propene to Propan-2-ol?<br \/>\n(ii) Phenol to 2, 4, 6 \u2013 trinitrophenol?<\/p>\n<p><strong>19. <\/strong>(a) What type of semiconductor is obtained when silicon is doped with boron?<\/p>\n<p>(b) What type of magnetism is shown in the following alignment of magnetic moments?<\/p>\n<p><img decoding=\"async\" id=\"Picture 2\" style=\"height: 45px; width: 238px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image016.jpg\" \/><\/p>\n<p>(c) What type of point defect is produced when <img decoding=\"async\" style=\"height: 21px; width: 40px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image017.png\" \/>\u00a0is doped with <img decoding=\"async\" style=\"height: 25px; width: 57px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image018.png\" \/>\u00a0<strong>[3]<\/strong><\/p>\n<p><strong>20.<\/strong> Determine the osmotic pressure of a solution prepared by dissolving <img decoding=\"async\" style=\"height: 26px; width: 173px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image019.png\" \/>\u00a0of water <img decoding=\"async\" style=\"height: 21px; width: 46px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image020.png\" \/>\u00a0assuming that it is completely dissociated.<\/p>\n<p><img decoding=\"async\" style=\"height: 25px; width: 180px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image021.png\" \/><img decoding=\"async\" style=\"height: 26px; width: 233px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image022.png\" \/>\u00a0<strong>[3]<\/strong><\/p>\n<p><strong>21.<\/strong> Calculate the emf of the following cell at 298 K:<strong> [3]<\/strong><br \/>\n<img decoding=\"async\" style=\"height: 26px; width: 227px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image023.png\" \/><img decoding=\"async\" style=\"height: 21px; width: 85px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image024.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 26px; width: 132px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image025.png\" \/><\/p>\n<p><strong>22.<\/strong> How would you account for the following? <strong>[3]<\/strong><\/p>\n<p>(i) Transition metals exhibit variable oxidation states.<br \/>\n(ii) <img decoding=\"async\" style=\"height: 27px; width: 192px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image026.png\" \/>\u00a0have almost identical radii.<br \/>\n(iii) Transition metals and their compounds act as catalyst.<\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"OR\"><\/span><strong>OR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Complete the following chemical equations:<\/p>\n<p><img decoding=\"async\" style=\"height: 26px; width: 188px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image027.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 26px; width: 140px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image028.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 26px; width: 212px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image029.png\" \/><\/p>\n<p><strong>23.<\/strong> Write the IUPAC names of the following coordination compounds:<strong> [3]<\/strong><\/p>\n<p><img decoding=\"async\" style=\"height: 29px; width: 128px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image030.png\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 29px; width: 123px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image031.png\" \/><\/p>\n<p><img decoding=\"async\" style=\"height: 32px; width: 135px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image032.png\" \/><img decoding=\"async\" style=\"height: 27px; width: 145px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image033.png\" \/><\/p>\n<p><strong>24.<\/strong> Give the structures of A, B and C in the following reactions: <strong>[3]<\/strong><\/p>\n<p><img decoding=\"async\" id=\"Picture 3\" style=\"height: 115px; width: 474px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image034.png\" \/><\/p>\n<p><strong>25.<\/strong> Write the names and structures of the monomers of the following polymers:<strong> [3]<\/strong><\/p>\n<p>(i) Buna-S<br \/>\n(ii) Neoprene<br \/>\n(iii) Nylone-6, 6<\/p>\n<p><strong>26. <\/strong>After watching a programme on TV about the adverse effects of junk food and soft drinks on the health of school children, Sonali, a student of Class XII, discussed the issue with the school principal. Principal immediately instructed the canteen contractor to replace the fast food with the fibre and vitamins rich food like sprouts, salad, fruits etc. This decision was welcomed by the parents and the students.<\/p>\n<p>After reading the above passage, answer the following questions:<br \/>\n(a) What values are expressed by Sonali and the Principal of the school?<br \/>\n(b) Give two examples of water-soluble vitamins. <strong>[3]<\/strong><\/p>\n<p><strong>27.<\/strong> (a) Which one of the following is a food preservative?<br \/>\nEquanil, Morphine, Sodium benzoate<br \/>\n(b) Why is bithional added to soap?<br \/>\n(c) Which class of drugs is used in sleeping pills?<strong> [3]<\/strong><\/p>\n<p><strong>28.<\/strong> (a) A reaction is second order in A and first order in B.<br \/>\n(i) Write the differential rate equation.<br \/>\n(ii) How is the rate affected on increasing the concentration of A three times?<br \/>\n(iii) How is the rate affected when the concentration of both A and B are doubled?<\/p>\n<p>(b) A first order reaction takes 40 minutes for 30% decomposition. Calculate <img decoding=\"async\" style=\"height: 25px; width: 21px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image035.png\" \/>\u00a0for this reaction.<br \/>\n<img decoding=\"async\" style=\"height: 27px; width: 180px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image036.png\" \/><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"OR-2\"><\/span><strong>OR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>(a) For a first order reaction, show that time required for <img decoding=\"async\" style=\"height: 19px; width: 33px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image037.png\" \/>\u00a0completion is twice the time required for the completion of <img decoding=\"async\" style=\"height: 19px; width: 33px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image038.png\" \/>\u00a0of reaction.<br \/>\n(b) Rate constant \u2018k\u2019 of a reaction varies with temperature \u2018T\u2019 according to the equation:<br \/>\n<img decoding=\"async\" style=\"height: 47px; width: 180px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image039.png\" \/><\/p>\n<p>Where <img decoding=\"async\" style=\"height: 25px; width: 20px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image040.png\" \/>\u00a0is the activation energy. When a graph is plotted for log k Vs. <img decoding=\"async\" style=\"height: 41px; width: 33px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image041.png\" \/>\u00a0straight line with a slope of <img decoding=\"async\" style=\"height: 19px; width: 63px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image042.png\" \/>\u00a0is obtained. Calculated <img decoding=\"async\" style=\"height: 25px; width: 29px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image043.png\" \/>\u00a0for the reaction. <img decoding=\"async\" style=\"height: 25px; width: 138px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image044.png\" \/>\u00a0<strong>[5]<\/strong><\/p>\n<p><strong>29. <\/strong>(a) Give reasons for the following:<br \/>\n(i) Bond enthalpy of <img decoding=\"async\" style=\"height: 25px; width: 19px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image045.png\" \/>\u00a0is lower than that of <img decoding=\"async\" style=\"height: 25px; width: 28px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image046.png\" \/><br \/>\n(ii) <img decoding=\"async\" style=\"height: 25px; width: 32px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image047.png\" \/>\u00a0has lower boiling point than <img decoding=\"async\" style=\"height: 25px; width: 37px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image048.png\" \/><\/p>\n<p>(b) Draw the structures of the following molecules:<br \/>\n<img decoding=\"async\" style=\"height: 25px; width: 52px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image049.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 25px; width: 81px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image050.png\" \/><\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"OR-3\"><\/span><strong>OR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>(a) Account for the following:<br \/>\n(i) Helium is used in diving apparatus.<br \/>\n(ii) Fluorine does not exhibit positive oxidation state.<br \/>\n(iii) Oxygen shows catenation behavior less than sulphur.<\/p>\n<p>(b) Draw the structures of the following molecules.<br \/>\n<img decoding=\"async\" style=\"height: 25px; width: 54px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image051.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 25px; width: 75px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image052.png\" \/><strong>\u00a0[5]<\/strong><\/p>\n<p><strong>30. <\/strong>(a) Although phenoxide ion has more number of resonating structures than Carboxylate ion, Carboxylic acid is a stronger acid than phenol. Give two reasons.<\/p>\n<p>(b) How will you bring about the following conversions?<br \/>\n(i) Propanone to propane<br \/>\n(ii) Benzoyl chloride to benzaldehyde<br \/>\n(iii) Ethanal to but-2-enal<\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"OR-4\"><\/span><strong>OR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>(a) Complete the following reactions:<br \/>\n<img decoding=\"async\" id=\"Picture 6\" style=\"height: 159px; width: 221px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2013_01\/image053.png\" \/><\/p>\n<p>(b) Give simple chemical tests to distinguish between the following pairs of compounds:<br \/>\n(i) Ethanal and Propanal<br \/>\n(ii) Benzoic acid and Phenol <strong>[5]<\/strong><\/p>\n<p><!-- The polyfills js is generated during the build process --><!-- The vendor js is generated during the build process It contains all of the dependencies in node_modules --><!-- The main bundle js is generated during the build process --><\/p>\n<div>\n<div style=\"text-align: left;\">\n<div>\n<p style=\"text-align: center;\"><strong>These are questions only. To view and download complete question paper with solution install myCBSEguide App from google play store or login to our\u00a0<a href=\"https:\/\/mycbseguide.com\/dashboard\/\">student dashboard<\/a>.<\/strong><\/p>\n<p style=\"text-align: center;\"><b><strong><a class=\"button\" href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide&amp;referrer=utm_source%3Dmycbse_bottom%26utm_medium%3Dtext%26utm_campaign%3Dmycbseads\">Download myCBSEguide App<\/a><\/strong><\/b><\/p>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"Chemistry_Question_Paper_2013\"><\/span>Chemistry Question Paper 2013<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Download class 12 Chemistry question paper with solution from best CBSE App the myCBSEguide. CBSE class 12 Chemistry question paper 2013 in PDF format with solution will help you to understand the latest question paper pattern and marking scheme of the CBSE board examination. You will get to know the difficulty level of the question paper. CBSE question papers 2013 for class 12 Chemistry have 30 questions with solution.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Previous_Year_Question_Paper_for_class_12_in_PDF\"><\/span>Previous Year Question Paper for class 12 in PDF<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>CBSE question papers 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 209, 2008, 2007, 2006, 2005 and so on for all the subjects are available under this download link. Practicing real question paper certainly helps students to get confidence and improve performance in weak areas.<\/p>\n<ul>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-physics\/1251\/cbse-last-year-papers\/3\/\">Physics<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-chemistry\/1267\/cbse-last-year-papers\/3\/\">Chemistry<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-mathematics\/1284\/cbse-last-year-papers\/3\/\">Mathematics<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-biology\/1298\/cbse-last-year-papers\/3\/\">Biology<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-accountancy\/1315\/cbse-last-year-papers\/3\/\">Accountancy<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-business-studies\/1727\/cbse-last-year-papers\/3\/\">Business Studies<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-economics\/1327\/cbse-last-year-papers\/3\/\">Economics<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-history\/1869\/cbse-last-year-papers\/3\/\">History<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-geography\/1863\/cbse-last-year-papers\/3\/\">Geography<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-political-science\/1879\/cbse-last-year-papers\/3\/\">Political Science<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-physical-education\/1877\/cbse-last-year-papers\/3\/\">Physical Education<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-computer-science\/1851\/cbse-last-year-papers\/3\/\">Computer Science<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-informatics-practices\/1873\/cbse-last-year-papers\/3\/\">Informatics Practices<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-english-core\/1855\/cbse-last-year-papers\/3\/\">English Core<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-hindi-core\/1865\/cbse-last-year-papers\/3\/\">Hindi Core<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12-hindi-elective\/1867\/cbse-last-year-papers\/3\/\">Hindi Elective<\/a><\/li>\n<li><a href=\"http:\/\/mycbseguide.com\/downloads\/cbse-class-12\/1250\/\">Other Subjects<\/a><\/li>\n<\/ul>\n<p>To download CBSE Question Paper 2013 class 12 Accountancy, Chemistry, Physics, History, Political Science, Economics, Geography, Computer Science, Home Science, Accountancy, Business Studies and Home Science; do check myCBSEguide app or website. myCBSEguide provides sample papers with solution, test papers for chapter-wise practice, NCERT solutions, NCERT Exemplar solutions, quick revision notes for ready reference, CBSE guess papers and CBSE important question papers. Sample Paper all are made available through\u00a0<a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.techchefs.MyCBSEGuide&amp;referrer=utm_source%3Dmycbse_bottom%26utm_medium%3Dtext%26utm_campaign%3Dmycbseads\"><strong>the best app for CBSE students<\/strong><\/a>\u00a0and myCBSEguide website.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>CBSE Question Paper 2013 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2013.\u00a0CBSE previous year question papers with the solution are available in the myCBSEguide mobile app and website. The Best CBSE App for students and teachers is myCBSEguide which provides complete study material and practice papers &#8230; <a title=\"CBSE Question Paper 2013 class 12 Chemistry\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/\" aria-label=\"More on CBSE Question Paper 2013 class 12 Chemistry\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1346,1014,1434],"tags":[1527,1567,320,1342,80,1566],"class_list":["post-22088","post","type-post","status-publish","format-standard","hentry","category-cbse","category-cbse-question-papers","category-chemistry-cbse-class-12","tag-cbse-question-paper","tag-ch","tag-chemistry","tag-class-12","tag-last-year-papers","tag-previous-question-paper"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>CBSE Question Paper 2013 class 12 Chemistry | myCBSEguide<\/title>\n<meta name=\"description\" content=\"CBSE Question Paper 2013 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2013\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CBSE Question Paper 2013 class 12 Chemistry | myCBSEguide\" \/>\n<meta property=\"og:description\" content=\"CBSE Question Paper 2013 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2013\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/\" \/>\n<meta property=\"og:site_name\" content=\"myCBSEguide\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/mycbseguide\/\" \/>\n<meta property=\"article:published_time\" content=\"2018-11-21T06:41:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-12-17T08:54:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg\" \/>\n<meta name=\"author\" content=\"myCBSEguide\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@mycbseguide\" \/>\n<meta name=\"twitter:site\" content=\"@mycbseguide\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"myCBSEguide\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/\"},\"author\":{\"name\":\"myCBSEguide\",\"@id\":\"https:\/\/mycbseguide.com\/blog\/#\/schema\/person\/f67796d5f5c5a468e8c680aaaad21519\"},\"headline\":\"CBSE Question Paper 2013 class 12 Chemistry\",\"datePublished\":\"2018-11-21T06:41:13+00:00\",\"dateModified\":\"2018-12-17T08:54:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/\"},\"wordCount\":1285,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg\",\"keywords\":[\"CBSE Question Paper\",\"Ch\",\"Chemistry\",\"class 12\",\"Last Year Papers\",\"previous question paper\"],\"articleSection\":[\"CBSE\",\"CBSE Question Papers\",\"Chemistry\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/\",\"url\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/\",\"name\":\"CBSE Question Paper 2013 class 12 Chemistry | myCBSEguide\",\"isPartOf\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg\",\"datePublished\":\"2018-11-21T06:41:13+00:00\",\"dateModified\":\"2018-12-17T08:54:53+00:00\",\"description\":\"CBSE Question Paper 2013 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2013\",\"breadcrumb\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#primaryimage\",\"url\":\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg\",\"contentUrl\":\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/mycbseguide.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"CBSE\",\"item\":\"https:\/\/mycbseguide.com\/blog\/category\/cbse\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Class 12\",\"item\":\"https:\/\/mycbseguide.com\/blog\/category\/cbse\/cbse-class-12\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Chemistry\",\"item\":\"https:\/\/mycbseguide.com\/blog\/category\/cbse\/cbse-class-12\/chemistry-cbse-class-12\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"CBSE Question Paper 2013 class 12 Chemistry\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/mycbseguide.com\/blog\/#website\",\"url\":\"https:\/\/mycbseguide.com\/blog\/\",\"name\":\"myCBSEguide\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/mycbseguide.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/mycbseguide.com\/blog\/#organization\",\"name\":\"myCBSEguide\",\"url\":\"https:\/\/mycbseguide.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/mycbseguide.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/mycbseguide.com\/blog\/wp-content\/uploads\/2016\/04\/books_square.png\",\"contentUrl\":\"https:\/\/mycbseguide.com\/blog\/wp-content\/uploads\/2016\/04\/books_square.png\",\"width\":180,\"height\":180,\"caption\":\"myCBSEguide\"},\"image\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/mycbseguide\/\",\"https:\/\/x.com\/mycbseguide\",\"https:\/\/www.linkedin.com\/company\/mycbseguide\/\",\"http:\/\/in.pinterest.com\/mycbseguide\/\",\"https:\/\/www.youtube.com\/channel\/UCxuqSnnygFzwJG0pwogCNEQ\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/mycbseguide.com\/blog\/#\/schema\/person\/f67796d5f5c5a468e8c680aaaad21519\",\"name\":\"myCBSEguide\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"CBSE Question Paper 2013 class 12 Chemistry | myCBSEguide","description":"CBSE Question Paper 2013 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2013","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/","og_locale":"en_US","og_type":"article","og_title":"CBSE Question Paper 2013 class 12 Chemistry | myCBSEguide","og_description":"CBSE Question Paper 2013 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2013","og_url":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/","og_site_name":"myCBSEguide","article_publisher":"https:\/\/www.facebook.com\/mycbseguide\/","article_published_time":"2018-11-21T06:41:13+00:00","article_modified_time":"2018-12-17T08:54:53+00:00","og_image":[{"url":"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg","type":"","width":"","height":""}],"author":"myCBSEguide","twitter_card":"summary_large_image","twitter_creator":"@mycbseguide","twitter_site":"@mycbseguide","twitter_misc":{"Written by":"myCBSEguide","Est. reading time":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#article","isPartOf":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/"},"author":{"name":"myCBSEguide","@id":"https:\/\/mycbseguide.com\/blog\/#\/schema\/person\/f67796d5f5c5a468e8c680aaaad21519"},"headline":"CBSE Question Paper 2013 class 12 Chemistry","datePublished":"2018-11-21T06:41:13+00:00","dateModified":"2018-12-17T08:54:53+00:00","mainEntityOfPage":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/"},"wordCount":1285,"commentCount":0,"publisher":{"@id":"https:\/\/mycbseguide.com\/blog\/#organization"},"image":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#primaryimage"},"thumbnailUrl":"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg","keywords":["CBSE Question Paper","Ch","Chemistry","class 12","Last Year Papers","previous question paper"],"articleSection":["CBSE","CBSE Question Papers","Chemistry"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/","url":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/","name":"CBSE Question Paper 2013 class 12 Chemistry | myCBSEguide","isPartOf":{"@id":"https:\/\/mycbseguide.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#primaryimage"},"image":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#primaryimage"},"thumbnailUrl":"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg","datePublished":"2018-11-21T06:41:13+00:00","dateModified":"2018-12-17T08:54:53+00:00","description":"CBSE Question Paper 2013 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2013","breadcrumb":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#primaryimage","url":"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg","contentUrl":"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2013-class-12-chemistry\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mycbseguide.com\/blog\/"},{"@type":"ListItem","position":2,"name":"CBSE","item":"https:\/\/mycbseguide.com\/blog\/category\/cbse\/"},{"@type":"ListItem","position":3,"name":"Class 12","item":"https:\/\/mycbseguide.com\/blog\/category\/cbse\/cbse-class-12\/"},{"@type":"ListItem","position":4,"name":"Chemistry","item":"https:\/\/mycbseguide.com\/blog\/category\/cbse\/cbse-class-12\/chemistry-cbse-class-12\/"},{"@type":"ListItem","position":5,"name":"CBSE Question Paper 2013 class 12 Chemistry"}]},{"@type":"WebSite","@id":"https:\/\/mycbseguide.com\/blog\/#website","url":"https:\/\/mycbseguide.com\/blog\/","name":"myCBSEguide","description":"","publisher":{"@id":"https:\/\/mycbseguide.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mycbseguide.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/mycbseguide.com\/blog\/#organization","name":"myCBSEguide","url":"https:\/\/mycbseguide.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/mycbseguide.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/mycbseguide.com\/blog\/wp-content\/uploads\/2016\/04\/books_square.png","contentUrl":"https:\/\/mycbseguide.com\/blog\/wp-content\/uploads\/2016\/04\/books_square.png","width":180,"height":180,"caption":"myCBSEguide"},"image":{"@id":"https:\/\/mycbseguide.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/mycbseguide\/","https:\/\/x.com\/mycbseguide","https:\/\/www.linkedin.com\/company\/mycbseguide\/","http:\/\/in.pinterest.com\/mycbseguide\/","https:\/\/www.youtube.com\/channel\/UCxuqSnnygFzwJG0pwogCNEQ"]},{"@type":"Person","@id":"https:\/\/mycbseguide.com\/blog\/#\/schema\/person\/f67796d5f5c5a468e8c680aaaad21519","name":"myCBSEguide"}]}},"_links":{"self":[{"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/posts\/22088","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/comments?post=22088"}],"version-history":[{"count":3,"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/posts\/22088\/revisions"}],"predecessor-version":[{"id":22147,"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/posts\/22088\/revisions\/22147"}],"wp:attachment":[{"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/media?parent=22088"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/categories?post=22088"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/tags?post=22088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}