{"id":4347,"date":"2016-05-14T11:49:00","date_gmt":"2016-05-14T06:19:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/chemical-kinetics-part-1\/"},"modified":"2018-10-22T11:54:26","modified_gmt":"2018-10-22T06:24:26","slug":"ncert-solutions-class-12-chemistry-chemical-kinetics-part-1","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistry-chemical-kinetics-part-1\/","title":{"rendered":"NCERT Solutions class 12 Chemistry Chemical kinetics part 1"},"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-chemical-kinetics-part-1\/#NCERT_Class_12_Chemistry_Chapter-wise_Solutions\" >NCERT Class 12 Chemistry Chapter-wise Solutions<\/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\/ncert-solutions-class-12-chemistry-chemical-kinetics-part-1\/#CHAPTER_FOUR_CHEMICAL_KINETICS\" >CHAPTER FOUR\u00a0CHEMICAL KINETICS<\/a><\/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-chemical-kinetics-part-1\/#NCERT_Solutions_class_12_Chemistry_Chemical_kinetics_part_1\" >NCERT Solutions class 12 Chemistry Chemical kinetics part 1<\/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-chemical-kinetics-part-1\/#NCERT_Solutions_class_12_Chemistry\" >NCERT Solutions class 12 Chemistry<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistry-chemical-kinetics-part-1\/#CBSE_app_for_Class_12\" >CBSE app for Class 12<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions class 12 Chemistry Chemical kinetics part 11 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\/\">\u00a0\u00a0NCERT solutions for\u00a0Chemical kinetics part 1 <\/a>as 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 Chemical kinetics part 1\" width=\"134\" height=\"172\" \/><\/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 \u2013 The Solid State<\/li>\n<li>2 \u2013 Solutions<\/li>\n<li>3 \u2013 Electrochemistry<\/li>\n<li>4 \u2013 Chemical Kinetics<\/li>\n<li>5 \u2013 Surface Chemistry<\/li>\n<li>6 \u2013 General Principles and Processes of Isolation of Elements<\/li>\n<li>7 \u2013 The p-Block Elements<\/li>\n<li>8 \u2013 The d-and f-Blocks Elements<\/li>\n<li>9 \u2013 Coordination Compounds<\/li>\n<li>10 \u2013 Haloalkanes and Haloarenes<\/li>\n<li>11 \u2013 Alcohols, Phenols and Ethers<\/li>\n<li>12 \u2013 Aldehydes, Ketones and Carboxylic Acids<\/li>\n<li>13 \u2013 Amines<\/li>\n<li>14 \u2013 Biomolecules<\/li>\n<li>15 \u2013 Polymers<\/li>\n<li>16 \u2013 Chemistry in Everyday Life<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"CHAPTER_FOUR_CHEMICAL_KINETICS\"><\/span><strong>CHAPTER FOUR\u00a0CHEMICAL KINETICS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>4.1 Rate of a Chemical Reaction<\/li>\n<li>4.2 Factors Influencing Rate of a Reaction<\/li>\n<li>4.3 Integrated Rate Equations<\/li>\n<li>4.4 Pseudo First Order Reaction<\/li>\n<li>4.5 Temperature Dependence of the rate of a Reaction<\/li>\n<li>4.6 Collision Theory of Chemical Reactions<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_class_12_Chemistry_Chemical_kinetics_part_1\"><\/span>NCERT Solutions class 12 Chemistry Chemical kinetics part 1<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">1. From the rate expression for the following reactions, determine their order of reaction and the dimensions of the rate constants.<\/p>\n<p style=\"text-align: justify;\"><strong>(i) <img decoding=\"async\" style=\"height: 29px; width: 227px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image053.png\" \/> <\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(ii) <img decoding=\"async\" style=\"height: 29px; width: 399px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image054.png\" \/><\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(iii) <img decoding=\"async\" style=\"height: 29px; width: 356px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image055.png\" \/><\/strong><\/p>\n<p style=\"text-align: justify;\"><strong>(iv) <img decoding=\"async\" style=\"height: 27px; width: 328px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image056.png\" \/><\/strong><\/p>\n<p style=\"text-align: justify;\">2. For the reaction: <img decoding=\"async\" style=\"height: 24px; width: 101px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image070.png\" \/>the rate = <img decoding=\"async\" style=\"height: 24px; width: 63px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image071.png\" \/>with <img decoding=\"async\" style=\"height: 24px; width: 155px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image072.png\" \/>. Calculate the initial rate of the reaction when <img decoding=\"async\" style=\"height: 24px; width: 107px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image073.png\" \/>, <img decoding=\"async\" style=\"height: 24px; width: 107px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image074.png\" \/>. Calculate the rate of reaction after [A] is reduced to <img decoding=\"async\" style=\"height: 24px; width: 78px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image075.png\" \/>.<\/p>\n<p style=\"text-align: justify;\">3. The decomposition of <img decoding=\"async\" style=\"height: 24px; width: 33px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image086.png\" \/>on platinum surface is zero order reaction. What are the rates of production of <img decoding=\"async\" style=\"height: 24px; width: 23px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image087.png\" \/>and <img decoding=\"async\" style=\"height: 24px; width: 23px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image088.png\" \/>if <img decoding=\"async\" style=\"height: 24px; width: 156px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image089.png\" \/>?<\/p>\n<p style=\"text-align: justify;\">4. The decomposition of dimethyl ether leads to the formation of <img decoding=\"async\" style=\"height: 24px; width: 33px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image096.png\" \/>,<img decoding=\"async\" style=\"height: 24px; width: 23px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image088.png\" \/>and CO and the reaction rate is given by Rate = <img decoding=\"async\" style=\"height: 25px; width: 104px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image097.png\" \/>. The rate of reaction is followed by increase in pressure in a closed vessel, so the rate can also be expressed in terms of the partial pressure of dimethyl ether, i.e., <img decoding=\"async\" style=\"height: 38px; width: 134px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image098.png\" \/>If the pressure is measured in bar andtime in minutes, then what are the units of rate and rate constants?<\/p>\n<p style=\"text-align: justify;\">5. Mention the factors that affect the rate of a chemical reaction.<\/p>\n<p style=\"text-align: justify;\">6. A reaction is second order with respect to a reactant. How is the rate of reaction affected if the concentration of the reactant is<\/p>\n<p style=\"text-align: justify;\">(i) doubled<\/p>\n<p style=\"text-align: justify;\">(ii) reduced to half?<\/p>\n<p style=\"text-align: justify;\">7. What is the effect of temperature on the rate constant of a reaction? How can this temperature effect on rate constant be represented quantitatively?<\/p>\n<p style=\"text-align: justify;\">8. In a pseudo first order hydrolysis of ester in water, the following results were obtained:<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" id=\"Picture 2\" style=\"height: 61px; width: 321px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image112.png\" \/><\/p>\n<p style=\"text-align: justify;\">(i) Calculate the average rate of reaction between the time interval 30 to 60 seconds.<\/p>\n<p style=\"text-align: justify;\">(ii) Calculate the pseudo first order rate constant for the hydrolysis of ester.<\/p>\n<p style=\"text-align: justify;\">9. A reaction is first order in A and second order in B.<\/p>\n<p style=\"text-align: justify;\">(i) Write the differential rate equation.<\/p>\n<p style=\"text-align: justify;\">(ii) How is the rate affected on increasing the concentration of B three times?<\/p>\n<p style=\"text-align: justify;\">(iii) How is the rate affected when the concentrations of both A and B are doubled?<\/p>\n<p style=\"text-align: justify;\">10. In a reaction between A and B, the initial rate of reaction <img decoding=\"async\" style=\"height: 27px; width: 28px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image128.png\" \/>was measured for different initial concentrations of A and B as given below:<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" id=\"Picture 6\" style=\"height: 96px; width: 361px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image129.png\" \/><\/p>\n<p style=\"text-align: justify;\">What is the order of the reaction with respect to A and B?<\/p>\n<p style=\"text-align: justify;\">11. The following results have been obtained during the kinetic studies of the reaction:<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" style=\"height: 18px; width: 109px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image137.png\" \/><\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" id=\"Picture 7\" style=\"height: 138px; width: 594px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image138.png\" \/><\/p>\n<p style=\"text-align: justify;\">Determine the rate law and the rate constant for the reaction.<\/p>\n<p style=\"text-align: justify;\">12. The reaction between A and B is first order with respect to A and zero order with respect to B. Fill in the blanks in the following table:<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" id=\"Picture 8\" style=\"height: 137px; width: 487px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image153.png\" \/><\/p>\n<p style=\"text-align: justify;\">13. Calculate the half-life of a first order reaction from their rate constants given below:<\/p>\n<p style=\"text-align: justify;\">(i) <img decoding=\"async\" style=\"height: 24px; width: 47px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image163.png\" \/><\/p>\n<p style=\"text-align: justify;\">(ii) <img decoding=\"async\" style=\"height: 20px; width: 51px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image164.png\" \/><\/p>\n<p style=\"text-align: justify;\">(iii) 4 <img decoding=\"async\" style=\"height: 24px; width: 45px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image165.png\" \/><\/p>\n<p style=\"text-align: justify;\">14. The half-life for radioactive decay of 14C is 5730 years. An archaeological artifact wood had only 80% of the 14C found in a living tree. Estimate the age of the sample.<\/p>\n<p style=\"text-align: justify;\">15. The experimental data for decomposition of <img decoding=\"async\" style=\"height: 24px; width: 38px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image175.png\" \/><img decoding=\"async\" style=\"height: 27px; width: 154px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image176.png\" \/>in gas phase at 318 K are given below:<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" id=\"Picture 9\" style=\"height: 59px; width: 583px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image177.png\" \/><\/p>\n<p style=\"text-align: justify;\">(i) Plot <img decoding=\"async\" style=\"height: 24px; width: 51px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image178.png\" \/>against <em>t<\/em>.<\/p>\n<p style=\"text-align: justify;\">(ii) Find the half-life period for the reaction.<\/p>\n<p style=\"text-align: justify;\">(iii) Draw a graph between log <img decoding=\"async\" style=\"height: 24px; width: 51px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch04\/image178.png\" \/>and <em>t.<\/em><\/p>\n<p style=\"text-align: justify;\">(iv) What is the rate law?<\/p>\n<p style=\"text-align: justify;\">(v) Calculate the rate constant.<\/p>\n<p style=\"text-align: justify;\">(vi) Calculate the half-life period from k and compare it with (ii).<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_class_12_Chemistry\"><\/span>NCERT Solutions class 12 Chemistry<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 NCERT Solutions class 12 Chemistry Amines part 1<\/p>\n<h2><span class=\"ez-toc-section\" id=\"CBSE_app_for_Class_12\"><\/span>CBSE app for Class 12<span class=\"ez-toc-section-end\"><\/span><\/h2>\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 Chemical kinetics part 11 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 Chemical kinetics part 1\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistry-chemical-kinetics-part-1\/\" aria-label=\"More on NCERT Solutions class 12 Chemistry Chemical kinetics part 1\">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-4347","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 Chemical kinetics part 1<\/title>\n<meta name=\"description\" content=\"NCERT Solutions class 12 Chemistry Chemical kinetics part 1 in PDF format for free download. 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