{"id":22093,"date":"2018-11-21T12:28:33","date_gmt":"2018-11-21T06:58:33","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/?p=22093"},"modified":"2018-12-17T14:24:29","modified_gmt":"2018-12-17T08:54:29","slug":"cbse-question-paper-2012-class-12-chemistry","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/","title":{"rendered":"CBSE Question Paper 2012 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-2012-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-2012-class-12-chemistry\/#CBSE_Question_Paper_2012_class_12_Chemistry\" >CBSE Question Paper 2012 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-2012-class-12-chemistry\/#General_Instructions\" >General Instructions<\/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-2012-class-12-chemistry\/#CHEMISTRY_2012_Delhi\" >CHEMISTRY 2012 (Delhi)<\/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-2012-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-6\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-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-7\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-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-8\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/#OR-4\" >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-2012-class-12-chemistry\/#OR-5\" >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-2012-class-12-chemistry\/#Chemistry_Question_Paper_2012\" >Chemistry Question Paper 2012<\/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-2012-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 2012 class 12 Chemistry<\/strong>\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2012. CBSE 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 2012 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 2012 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_2012_class_12_Chemistry\"><\/span>CBSE Question Paper 2012 class 12 Chemistry<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div>\n<h3 style=\"text-align: left;\"><span class=\"ez-toc-section\" id=\"General_Instructions\"><\/span><strong>General Instructions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\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.\u00a0Answer 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.\u00a0Answer 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_2012_Delhi\"><\/span><strong>CHEMISTRY 2012 (Delhi)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>1.<\/strong> Write a point of distinction between a metallic solid and an ionic solid other than metallic lustre.<strong> [1]<\/strong><\/p>\n<p><strong>2.<\/strong> Which one of PCl<sub>4<\/sub><sup>+<\/sup> and PCl<sub>4<\/sub><sup>&#8211;<\/sup>\u00a0is not likely to exist and why? <strong>[1]<\/strong><\/p>\n<p><strong>3.<\/strong> What is the role of graphite in the electrometallurgy of aluminium? <strong>[1]<\/strong><\/p>\n<p><strong>4.<\/strong> Arrange the following compounds in an increasing order of their reactivity in nucleophilic addition reactions: ethanal, propanal, propanone, butanone.<strong> [1]<\/strong><\/p>\n<p><strong>5.<\/strong> Draw the structural formula of 2-methylpropan-2-ol molecule. <strong>[1]<\/strong><\/p>\n<p><strong>6. <\/strong>Give the IUPAC name of the following compound.<strong> [1]<\/strong><br \/>\n<img decoding=\"async\" id=\"Picture 1\" style=\"height: 74px; width: 173px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image004.png\" \/><br \/>\n<strong>7.<\/strong> Define the term, \u201chomopolymerisation giving an example. <strong>[1]<\/strong><\/p>\n<p><strong>8.<\/strong> Arrange the following in the decreasing order of their basic strength in aqueous solutions: CH<sub>3<\/sub>NH<sub>2<\/sub>, (CH<sub>3<\/sub>)<sub>2<\/sub>NH,(CH<sub>3<\/sub>)<sub>3<\/sub>N and NH<sub>3<\/sub><strong>[1]<\/strong><\/p>\n<p><strong>9.<\/strong> A 1.00\u00a0molal aqueous solution of trichloroacetic acid (CCl<sub>3<\/sub>COOH)\u00a0is heated to its boiling point. The solution has the boiling point of 100.18<sup>o<\/sup>C.\u00a0Determine the vant Hoff factor for trichloroacetic acid. (K<sub>b<\/sub> for water = 0.512K kg mol<sup>-1<\/sup>)\u00a0<strong>[2]<\/strong><\/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><strong>Define the following terms:<\/strong><br \/>\n(i) Mole fraction<br \/>\n(ii) Isotonic solutions<br \/>\n(iii) Van &#8216;t Hoff factor<br \/>\n(iv) Ideal solution<\/p>\n<p><strong>10. <\/strong>What do you understand by the \u201corder of a reaction? Identify the reaction order from each of the following units of reaction rate constant: <strong>[2]<\/strong><br \/>\ni) L<sup>-1<\/sup> mols<sup>-1<\/sup><br \/>\nii) L mol<sup>-1<\/sup>s<sup>-1<\/sup><\/p>\n<p><strong>11.<\/strong> Describe a conspicuous change observed when<strong> [2]<\/strong><br \/>\n(i) a solution of NaCl\u00a0is added to a sol of hydrated ferric oxide.<br \/>\n(ii) a beam of light is passed through a solution of NaCl\u00a0and then through a sol.<\/p>\n<p><strong>12.<\/strong> What is meant by coagulation of a colloidal solution? Describe briefly any three methods by which coagulation of lyophobic sols can be carried out.<strong> [2]<\/strong><\/p>\n<p><strong>13. <\/strong>Describe the following:<strong> [2]<\/strong><br \/>\n(i) The role of cryolite in electro metallurgy of aluminium.<br \/>\n(ii) The role of carbon monoxide in the refining of crude nickel.<\/p>\n<p><strong>14. <\/strong>What is meant by (i) peptide linkage (ii) biocatalysts?<strong> [2]<\/strong><\/p>\n<p><strong>15. <\/strong>Explain the following giving an appropriate reason in each case.<strong> [2]<\/strong><br \/>\n(i) O<sub>2<\/sub>\u00a0and F<sub>2<\/sub>\u00a0both stabilize higher oxidation states of metals but O<sub>2<\/sub>\u00a0exceeds F<sub>2<\/sub>\u00a0in doing so.<br \/>\n(ii) Structures of Xenon fluorides cannot be explained by Valence Bond approach.<\/p>\n<p><strong>16. <\/strong>Complete the following chemical equations:<strong> [2]<\/strong><br \/>\n<img decoding=\"async\" style=\"height: 27px; width: 150px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image015.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 27px; width: 173px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image016.png\" \/><\/p>\n<p><strong>17. <\/strong>Draw the structure of the monomer for each of the following polymers:<strong> [2]<\/strong><br \/>\n(i) Nylon 6<br \/>\n(ii) Polypropene<\/p>\n<p><strong>18.<\/strong> Write the main structural difference between DNA and RNA. Of the two bases, thymine and uracil, which one is present in DNA? <strong>[2]<\/strong><\/p>\n<p><strong>19. <\/strong>Tungsten crystallizes in body centred cubic unit cell. If the edge of the unit cell is 316.5 pm, what is the radius of tungsten atom? <strong>[3]<\/strong><\/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>Iron has a body centred cubic unit cell with a cell dimension of 286.65pm.\u00a0The density of iron is 7.874g cm<sup>-3<\/sup>.Use this information to calculate Avogadro&#8217;s number. (At mass of Fe=55.845u)<\/p>\n<p><strong>20.<\/strong> A solution of glycerol (C<sub>3<\/sub>H<sub>8<\/sub>O<sub>3<\/sub>)\u00a0in water was prepared by dissolving some glycerol in 500g\u00a0of water. This solution has a boiling point of 100.42<sup>o<\/sup>C\u00a0while pure water boils at 100 \u00b0C. What mass of glycerol was dissolved to make the solution?(K<sub>b<\/sub> for water = 0.512K kg mol<sup>-1<\/sup>)\u00a0<strong>[3]<\/strong><\/p>\n<p><strong>21. <\/strong>For the reaction <img decoding=\"async\" style=\"height: 25px; width: 205px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image024.png\" \/><strong>[3]<\/strong><br \/>\nthe following data were collected. All the measurements were taken at 263 K:<\/p>\n<table class=\"mobile\" border=\"1\" cellspacing=\"0\" cellpadding=\"3\">\n<tbody>\n<tr>\n<td>Experiment No.<\/td>\n<td>Initial [NO](M)<\/td>\n<td>Initial [Cl<sub>2<\/sub>](M)<\/td>\n<td>Initial rate of disappearance of Cl<sub>2<\/sub>(M\/min)<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>0.15<\/td>\n<td>0.15<\/td>\n<td>0.60<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>0.15<\/td>\n<td>0.30<\/td>\n<td>1.20<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>0.30<\/td>\n<td>0.15<\/td>\n<td>2.40<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>0.25<\/td>\n<td>0.25<\/td>\n<td>?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>(a) Write the expression for rate law.<br \/>\n(b) Calculate the value of rate constant and specify its units.<br \/>\n(c) What is the initial rate of disappearance of Cl<sub>2<\/sub>\u00a0in exp. 4?<\/p>\n<p><strong>22. <\/strong>State a reason for each of the following situations:<strong> [3]<\/strong><br \/>\n(i) Co<sup>2+<\/sup>\u00a0is easily oxidized to Co<sup>3+<\/sup>\u00a0in presence of a strong ligand.<br \/>\n(ii) CO\u00a0is a stronger complexing reagent than NH<sub>3.<\/sub><br \/>\n(iii) The molecular shape of Ni(CO)<sub>4<\/sub>\u00a0is not the same as that of [Ni(CN)<sub>4<\/sub>]<sup>2-<\/sup>.<\/p>\n<p><strong>23.<\/strong> How would you account for the following?<strong> [3]<\/strong><br \/>\n(i) With the same d-orbital configuration (d<sup>4<\/sup>) Cr<sup>2+<\/sup>\u00a0is a reducing agent while Mn<sup>3+<\/sup>\u00a0is an oxidizing agent.<br \/>\n(ii) The actinoids exhibit a larger number of oxidation states than the corresponding members in the lanthanoid series.<br \/>\n(iii) Most of the transition metal ions exhibit characteristic in colours in aqueous solutions.<\/p>\n<p><strong>24. <\/strong>Write chemical equations for the following conversions:<strong> [3]<\/strong><br \/>\n(i) Nitrobenzene to benzoic acid.<br \/>\n(ii) Benzyl chloride to 2-phenylethanamine.<br \/>\n(iii) Aniline to benzyl alcohol.<\/p>\n<p><strong>25. <\/strong>What are the following substances? Give one example of each one of them.<strong> [3]<\/strong><br \/>\n(i) Tranquilizers<br \/>\n(ii) Food preservatives<br \/>\n(iii) Synthetic detergents<\/p>\n<p><strong>26.<\/strong> Draw the structure and name the product formed if the following alcohols are oxidized. Assume that an excess of oxidizing agent is used. <strong>[3]<\/strong><br \/>\n(i) CH<sub>3<\/sub>CH<sub>2<\/sub>CH<sub>2<\/sub>CH<sub>2<\/sub>OH<br \/>\n(ii) 2-butenol<br \/>\n(iii) 2-methyl-1-propanol<\/p>\n<p><strong>27.<\/strong> Although chlorine is an electron withdrawing group, yet it is ortho-, para-directing in electrophilic aromatic substitution reactions. Explain why it is so?<strong> [3]<\/strong><\/p>\n<p><strong>28.<\/strong> (a) Complete the following chemical reaction equations:<strong> [5]<\/strong><br \/>\n<img decoding=\"async\" style=\"height: 27px; width: 122px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image038.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 27px; width: 128px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image039.png\" \/><\/p>\n<p>(b) Predict the shape and the asked angle (<img decoding=\"async\" style=\"height: 19px; width: 27px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image040.png\" \/>\u00a0or more or less) in each of the following cases:<br \/>\n<img decoding=\"async\" style=\"height: 27px; width: 221px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image041.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 25px; width: 220px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image042.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 25px; width: 224px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image043.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) Complete the following chemical equations:<br \/>\n<img decoding=\"async\" style=\"height: 30px; width: 131px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image044.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 25px; width: 124px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image045.png\" \/><\/p>\n<p>(b) Draw the structures of the following molecules:<br \/>\n<img decoding=\"async\" style=\"height: 25px; width: 67px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image046.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 25px; width: 75px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image047.png\" \/><br \/>\n<img decoding=\"async\" style=\"height: 25px; width: 75px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image048.png\" \/><\/p>\n<p style=\"text-align: justify;\"><strong>29. <\/strong>(a) What type of a battery is the lead storage battery? Write the anode and the cathode reactions and the overall reaction occurring in a lead storage battery when current is drawn from it.<br \/>\n(b) In the button cell, widely used in watches, the following reaction takes place<br \/>\nZn(s) + Ag<sub>2<\/sub>O(s)+ H<sub>2<\/sub>O(l)\u2192\u2192Zn<sup>2+<\/sup>(aq)+2Ag(s)+2OH<sup>&#8211;<\/sup>(aq)<br \/>\nDetermine E<sup>o<\/sup>\u00a0and\u00a0\u25b3\u25b3G<sup>0<\/sup>\u00a0from the reaction.(given: E<sup>o<\/sup><sub>Ag+\/Ag<\/sub> = +0.80V, E<sup>2+<\/sup><sub>Zn2+\/Zn<\/sub> = -0.76V)\u00a0<strong>[5]<\/strong><\/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) Define molar conductivity of a solution and explain how molar conductivity changes with change in concentration of solution for a weak and a strong electrolyte.<br \/>\n(b) The resistance of a conductivity cell containing 0.001M KCl\u00a0solution at 298K is 1500\u00a0<em>\u03c0<\/em>\u03c0\u00a0 What is the cell constant if the conductivity of 0.001M KCl\u00a0solution at 298 K is 0.146&#215;10<sup>-3<\/sup> S cm<sup>-1<\/sup>?<\/p>\n<p><strong>30.<\/strong> (a)Give a plausible explanation for each one of the following:<strong> [5]<\/strong><br \/>\n(i) There are two -NH<sub>2<\/sub> groups\u00a0in semicarbazide. However, only one such group is involved in the formation of semicarbazones.<br \/>\n(ii) Cyclohexanone forms cyanohydrin in good yield but 2, 4, 6-trimethylcyclohexanone does not.<br \/>\n(b) An organic compound with molecular formula C<sub>9<\/sub>H<sub>10<\/sub>O\u00a0forms 2, 4, &#8211; DNP derivative, reduces Tollens reagent and undergoes Cannizzaro&#8217;s reaction. On vigorous oxidation it gives 1, 2-benzene-di-carboxylic acid. Identify the compound.<\/p>\n<h3 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"OR-5\"><\/span><strong>OR<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>(a) Give chemical tests to distinguish between<br \/>\n(i) Phenol and Benzoic acid<br \/>\n(ii) Benzophenone and Acetophenone<br \/>\n(b) Write the structures of the main products of following reactions:<br \/>\n<img decoding=\"async\" id=\"Picture 2\" style=\"height: 180px; width: 274px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/lyp\/12\/chemistry\/2012_01\/image059.jpg\" \/><\/p>\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_2012\"><\/span>Chemistry Question Paper 2012<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 2012 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 2012 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 2012 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","protected":false},"excerpt":{"rendered":"<p>CBSE Question Paper 2012 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2012. CBSE 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 &#8230; <a title=\"CBSE Question Paper 2012 class 12 Chemistry\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/\" aria-label=\"More on CBSE Question Paper 2012 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":[1527,320,1342,80,1566],"class_list":["post-22093","post","type-post","status-publish","format-standard","hentry","category-cbse","category-cbse-question-papers","category-chemistry-cbse-class-12","tag-cbse-question-paper","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 2012 class 12 Chemistry | myCBSEguide<\/title>\n<meta name=\"description\" content=\"CBSE Question Paper 2012 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2012\" \/>\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-2012-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 2012 class 12 Chemistry | myCBSEguide\" \/>\n<meta property=\"og:description\" content=\"CBSE Question Paper 2012 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2012\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-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=\"2018-11-21T06:58:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-12-17T08:54:29+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=\"7 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-2012-class-12-chemistry\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/\"},\"author\":{\"name\":\"myCBSEguide\",\"@id\":\"https:\/\/mycbseguide.com\/blog\/#\/schema\/person\/f67796d5f5c5a468e8c680aaaad21519\"},\"headline\":\"CBSE Question Paper 2012 class 12 Chemistry\",\"datePublished\":\"2018-11-21T06:58:33+00:00\",\"dateModified\":\"2018-12-17T08:54:29+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/\"},\"wordCount\":1485,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-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\",\"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-2012-class-12-chemistry\/\",\"url\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/\",\"name\":\"CBSE Question Paper 2012 class 12 Chemistry | myCBSEguide\",\"isPartOf\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg\",\"datePublished\":\"2018-11-21T06:58:33+00:00\",\"dateModified\":\"2018-12-17T08:54:29+00:00\",\"description\":\"CBSE Question Paper 2012 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2012\",\"breadcrumb\":{\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-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-2012-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 2012 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 2012 class 12 Chemistry | myCBSEguide","description":"CBSE Question Paper 2012 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2012","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-2012-class-12-chemistry\/","og_locale":"en_US","og_type":"article","og_title":"CBSE Question Paper 2012 class 12 Chemistry | myCBSEguide","og_description":"CBSE Question Paper 2012 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2012","og_url":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/","og_site_name":"myCBSEguide","article_publisher":"https:\/\/www.facebook.com\/mycbseguide\/","article_published_time":"2018-11-21T06:58:33+00:00","article_modified_time":"2018-12-17T08:54:29+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":"7 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/#article","isPartOf":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/"},"author":{"name":"myCBSEguide","@id":"https:\/\/mycbseguide.com\/blog\/#\/schema\/person\/f67796d5f5c5a468e8c680aaaad21519"},"headline":"CBSE Question Paper 2012 class 12 Chemistry","datePublished":"2018-11-21T06:58:33+00:00","dateModified":"2018-12-17T08:54:29+00:00","mainEntityOfPage":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/"},"wordCount":1485,"commentCount":0,"publisher":{"@id":"https:\/\/mycbseguide.com\/blog\/#organization"},"image":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-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","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-2012-class-12-chemistry\/","url":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/","name":"CBSE Question Paper 2012 class 12 Chemistry | myCBSEguide","isPartOf":{"@id":"https:\/\/mycbseguide.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/#primaryimage"},"image":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/#primaryimage"},"thumbnailUrl":"https:\/\/media-mycbseguide.s3.ap-south-1.amazonaws.com\/images\/blog\/Class%2012%20Chemistry%20Book%20in%20English.jpg","datePublished":"2018-11-21T06:58:33+00:00","dateModified":"2018-12-17T08:54:29+00:00","description":"CBSE Question Paper 2012 class 12 Chemistry\u00a0conducted by Central Board of Secondary Education, New Delhi in the month of March 2012","breadcrumb":{"@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-class-12-chemistry\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/mycbseguide.com\/blog\/cbse-question-paper-2012-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-2012-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 2012 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\/22093","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=22093"}],"version-history":[{"count":2,"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/posts\/22093\/revisions"}],"predecessor-version":[{"id":22146,"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/posts\/22093\/revisions\/22146"}],"wp:attachment":[{"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/media?parent=22093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/categories?post=22093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mycbseguide.com\/blog\/wp-json\/wp\/v2\/tags?post=22093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}