{"id":4352,"date":"2016-05-14T11:49:00","date_gmt":"2016-05-14T06:19:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistry-solutions-in-text-question\/"},"modified":"2018-10-22T10:53:53","modified_gmt":"2018-10-22T05:23:53","slug":"ncert-solutions-class-12-chemistry-solutions","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistry-solutions\/","title":{"rendered":"NCERT Solutions class 12 Chemistry Solutions In text question"},"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\/ncert-solutions-class-12-chemistry-solutions\/#NCERT_Class_12_Chemistry_Chapter-wise_Solutions\" >NCERT Class 12 Chemistry Chapter-wise Solutions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistry-solutions\/#CHAPTER_TWO_SOLUTIONS\" >CHAPTER TWO SOLUTIONS<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistry-solutions\/#NCERT_Solutions_class_12_Chemistry_Solutions_In_text_question\" >NCERT Solutions class 12 Chemistry Solutions In text question<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistry-solutions\/#NCERT_Solutions_class_12_Chemistry_Solutions_In_text_question-2\" >NCERT Solutions class 12 Chemistry Solutions In text question<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions class 12 Chemistry Solutions In text question Class 12 Chemistry book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 12 Chemistry chapter wise NCERT solution for Chemistry part 1 and Chemistry part 2 for all the chapters can be downloaded from our website and myCBSEguide mobile app for free.<\/p>\n<p style=\"text-align: center;\"><strong>Download\u00a0<a href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-12-chemistry\/1267\/ncert-solutions\/5\/\">NCERT solutions for\u00a0Solutions Chemistry<\/a>\u00a0as PDF.<\/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=\"NCERT Solutions class 12 Chemistry Solutions In text question\" width=\"113\" height=\"145\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Class_12_Chemistry_Chapter-wise_Solutions\"><\/span><strong>NCERT Class 12 Chemistry Chapter-wise Solutions<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\u00a01 &#8211; The Solid State<\/li>\n<li>2 &#8211; Solutions<\/li>\n<li>3 &#8211; Electrochemistry<\/li>\n<li>4 &#8211; Chemical Kinetics<\/li>\n<li>5 &#8211; Surface Chemistry<\/li>\n<li>6 &#8211; General Principles and Processes of Isolation of Elements<\/li>\n<li>7 &#8211; The p-Block Elements<\/li>\n<li>8 &#8211; The d-and f-Blocks Elements<\/li>\n<li>9 &#8211; Coordination Compounds<\/li>\n<li>10 &#8211; Haloalkanes and Haloarenes<\/li>\n<li>11 &#8211; Alcohols, Phenols and Ethers<\/li>\n<li>12 &#8211; Aldehydes, Ketones and Carboxylic Acids<\/li>\n<li>13 &#8211; Amines<\/li>\n<li>14 &#8211; Biomolecules<\/li>\n<li>15 &#8211; Polymers<\/li>\n<li>16 &#8211; Chemistry in Everyday Life<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"CHAPTER_TWO_SOLUTIONS\"><\/span><strong>CHAPTER TWO SOLUTIONS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>2.1 Types of Solutions<\/li>\n<li>2.2 Expressing Concentration of Solutions<\/li>\n<li>2.3 Solubility<\/li>\n<li>2.4 Vapour Pressure of Liquid Solutions<\/li>\n<li>2.5 Ideal and Non-Ideal Solutions<\/li>\n<li>2.6 Colligative Properties and Determination of Molar Mass<\/li>\n<li>2.7 Abnormal Molar Masses<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_class_12_Chemistry_Solutions_In_text_question\"><\/span>NCERT Solutions class 12 Chemistry Solutions In text question<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">1. Calculate the mass percentage of benzene (<img decoding=\"async\" style=\"height: 24px; width: 39px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image002.png\" \/>) and carbon tetrachloride (<img decoding=\"async\" style=\"height: 24px; width: 36px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image003.png\" \/>) if 22 g of benzene is dissolved in 122 g of carbon tetrachloride.<\/p>\n<p style=\"text-align: justify;\">2. Calculate the mole fraction of benzene in solution containing 30% by mass in carbon tetrachloride.<\/p>\n<p style=\"text-align: justify;\">3. Calculate the molarity of each of the following solutions: (a) 30 g of<img decoding=\"async\" style=\"height: 24px; width: 73px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image014.png\" \/> . <img decoding=\"async\" style=\"height: 24px; width: 43px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image015.png\" \/> in 4.3 L of solution (b) 30 mL of 0.5 M <img decoding=\"async\" style=\"height: 24px; width: 48px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image016.png\" \/>diluted to 500 mL.<\/p>\n<p style=\"text-align: justify;\">4. Calculate the mass of urea (<img decoding=\"async\" style=\"height: 24px; width: 85px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image024.png\" \/>) required in making 2.5 kg of 0.25 molal aqueous solution.<\/p>\n<p style=\"text-align: justify;\">5. Calculate (a)molality (b)molarity and (c)mole fraction of KI if the density of 20% (mass\/mass) aqueous KI is<img decoding=\"async\" style=\"height: 24px; width: 78px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image028.png\" \/>.<\/p>\n<p style=\"text-align: justify;\">6. <img decoding=\"async\" style=\"height: 24px; width: 31px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image039.png\" \/>, a toxic gas with rotten egg like smell, is used for the qualitative analysis. If the solubility of <img decoding=\"async\" style=\"height: 24px; width: 31px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image039.png\" \/> in water at STP is 0.195 m, calculate Henry&#8217;s law constant.<\/p>\n<p style=\"text-align: justify;\">7. Henry&#8217;s law constant for <img decoding=\"async\" style=\"height: 24px; width: 32px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image044.png\" \/> in water is 1.67 x 108 Pa at 298 K. Calculate the quantity of <img decoding=\"async\" style=\"height: 24px; width: 32px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image044.png\" \/>in 500 mL of soda water when packed under 2.5 atm <img decoding=\"async\" style=\"height: 24px; width: 32px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image044.png\" \/>pressure at 298 K.<\/p>\n<p style=\"text-align: justify;\">8. The vapour pressure of pure liquids A and B are 450 and 700 mm Hg respectively, at 350 K. Find out the composition of the liquid mixture if total vapour pressure is 600 mm Hg. Also find the composition of the vapour phase.<\/p>\n<p style=\"text-align: justify;\">9. Vapour pressure of pure water at 298 K is 23.8 mm Hg. 50 g of urea (<img decoding=\"async\" style=\"height: 24px; width: 85px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image024.png\" \/>) is dissolved in 850 g of water. Calculate the vapour pressure of water for this solution and its relative lowering.<\/p>\n<p style=\"text-align: justify;\">10. Boiling point of water at 750 mm Hg is <img decoding=\"async\" style=\"height: 18px; width: 58px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image079.png\" \/>. How much sucrose is to be added to 500 g of water such that it boils at<img decoding=\"async\" style=\"height: 18px; width: 44px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image080.png\" \/> . Molal elevation constant for water is<img decoding=\"async\" style=\"height: 24px; width: 105px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image081.png\" \/>.<\/p>\n<p style=\"text-align: justify;\">11. Calculate the mass of ascorbic acid (Vitamin C,<img decoding=\"async\" style=\"height: 24px; width: 54px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image089.png\" \/>) to be dissolved in 75 g of acetic acid to lower its melting point by<img decoding=\"async\" style=\"height: 18px; width: 40px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image090.png\" \/>.<img decoding=\"async\" style=\"height: 24px; width: 129px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image091.png\" \/>.<\/p>\n<p style=\"text-align: justify;\">12. Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving 1.0 g of polymer of molar mass 185,000 in 450 mL of water at<img decoding=\"async\" style=\"height: 18px; width: 38px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch02\/image098.png\" \/>.<\/p>\n<h2 style=\"text-align: left;\"><span class=\"ez-toc-section\" id=\"NCERT_Solutions_class_12_Chemistry_Solutions_In_text_question-2\"><\/span>NCERT Solutions class 12 Chemistry Solutions In text question<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NCERT Solutions Class 12 Chemistry PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 12 Chemistry includes text book solutions from both part 1 and part 2. NCERT Solutions for CBSE Class 12 Chemistry have total 16 chapters. 12 Chemistry NCERT Solutions in PDF for free Download on our website. Ncert Chemistry class 12 solutions PDF and Chemistry ncert class 12 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide<\/p>\n<p>To download\u00a0NCERT Solutions for class 12\u00a0Chemistry, Physics, Biology, 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","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions class 12 Chemistry Solutions In text question Class 12 Chemistry book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE board exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. &#8230; <a title=\"NCERT Solutions class 12 Chemistry Solutions In text question\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistry-solutions\/\" aria-label=\"More on NCERT Solutions class 12 Chemistry Solutions In text question\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":-1,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1434,281],"tags":[283,320,1342,216],"class_list":["post-4352","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chemistry-cbse-class-12","category-ncert-solutions","tag-cbse-study-material","tag-chemistry","tag-class-12","tag-ncert-solutions"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NCERT Solutions class 12 Chemistry Solutions In text question<\/title>\n<meta name=\"description\" content=\"NCERT Solutions class 12 Chemistry Solutions In text question in PDF format for free download. 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