{"id":4362,"date":"2016-05-14T11:49:00","date_gmt":"2016-05-14T06:19:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistrythe-d-and-f-block-elements-part-2\/"},"modified":"2018-10-22T16:27:44","modified_gmt":"2018-10-22T10:57:44","slug":"ncert-solutions-class-12-chemistry-the-d-and-f-block-elements-part-2","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistry-the-d-and-f-block-elements-part-2\/","title":{"rendered":"NCERT Solutions class 12 Chemistry The d and f block elements part 2"},"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-the-d-and-f-block-elements-part-2\/#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-the-d-and-f-block-elements-part-2\/#CHAPTER_EIGHT_THE_D-AND_F-BLOCKS_ELEMENTS\" >CHAPTER EIGHT\u00a0THE D-AND F-BLOCKS ELEMENTS<\/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-the-d-and-f-block-elements-part-2\/#NCERT_Solutions_class_12_Chemistry_The_d_and_f_block_elements_part_2\" >NCERT Solutions class 12 Chemistry The d and f block elements part 2<\/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-the-d-and-f-block-elements-part-2\/#NCERT_Solutions_class_12_Chemistry\" >NCERT Solutions class 12 Chemistry<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions class 12 Chemistry The d and f block elements part 2 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\u00a0 The d and f block elements part 2\u00a0<\/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 The d and f block elements part 2\" width=\"120\" height=\"154\" \/><\/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_EIGHT_THE_D-AND_F-BLOCKS_ELEMENTS\"><\/span><strong>CHAPTER EIGHT\u00a0<\/strong><strong>THE D-AND F-BLOCKS ELEMENTS<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>8.1 Position in the Periodic Tabble<\/li>\n<li>8.2 Electronic Configurations of the d-Block Elements<\/li>\n<li>8.3 General Properties of the Transition Elements (d-Block)<\/li>\n<li>8.4 Some important Compounds of Transition Elements<\/li>\n<li>8.5 The Lanthanoids<\/li>\n<li>8.6 The Actinoids<\/li>\n<li>8.7 Some Applications of d-and f-Block Elements<\/li>\n<\/ul>\n<hr \/>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_class_12_Chemistry_The_d_and_f_block_elements_part_2\"><\/span>NCERT Solutions class 12 Chemistry The d and f block elements part 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">21. How would you account for the following:<\/p>\n<p style=\"text-align: justify;\">(i) Of the <img decoding=\"async\" style=\"height: 22px; width: 18px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image065.png\" \/>species, <img decoding=\"async\" style=\"height: 22px; width: 32px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image018.png\" \/>is strongly reducing while manganese(III) is strongly oxidising.<\/p>\n<p style=\"text-align: justify;\">(ii) Cobalt(II) is stable in aqueous solution but in the presence of complexing reagents it is easily oxidised.<\/p>\n<p style=\"text-align: justify;\">(iii) The <img decoding=\"async\" style=\"height: 22px; width: 18px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image062.png\" \/>configuration is very unstable in ions.<\/p>\n<p style=\"text-align: justify;\">22. What is meant by &#8216;disproportionation&#8217;? Give two examples of disproportionation reaction in aqueous solution.<\/p>\n<p style=\"text-align: justify;\">(i) <img decoding=\"async\" style=\"height: 38px; width: 259px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image135.png\" \/><\/p>\n<p style=\"text-align: justify;\">Cr(V) is oxidized to Cr(VI) and reduced to Cr(III).<\/p>\n<p style=\"text-align: justify;\">(ii) <img decoding=\"async\" style=\"height: 38px; width: 276px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image136.png\" \/><\/p>\n<p style=\"text-align: justify;\">Mn (VI) is oxidized to Mn (VII) and reduced to Mn (IV).<\/p>\n<p style=\"text-align: justify;\">23. Which metal in the first series of transition metals exhibits +1 oxidationstate most frequently and why?<\/p>\n<p style=\"text-align: justify;\">24. Calculate the number of unpaired electrons in the following gaseous ions: <img decoding=\"async\" style=\"height: 24px; width: 103px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image138.png\" \/>and <img decoding=\"async\" style=\"height: 20px; width: 29px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image139.png\" \/>. Which one of these is the most stable in aqueous solution?<\/p>\n<p style=\"text-align: justify;\">25. Give examples and suggest reasons for the following features of the transition metal chemistry:<\/p>\n<p style=\"text-align: justify;\">(i) The lowest oxide of transition metal is basic, the highest is amphoteric\/acidic.<\/p>\n<p style=\"text-align: justify;\">(ii) A transition metal exhibits highest oxidation state in oxides and fluorides.<\/p>\n<p style=\"text-align: justify;\">(iii) The highest oxidation state is exhibited in oxoanions of a metal.<\/p>\n<p style=\"text-align: justify;\">26. Indicate the steps in the preparation of:<\/p>\n<p style=\"text-align: justify;\">(i) <img decoding=\"async\" style=\"height: 24px; width: 60px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image088.png\" \/>from chromite ore.<\/p>\n<p style=\"text-align: justify;\">(ii) <img decoding=\"async\" style=\"height: 24px; width: 56px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image104.png\" \/>from pyrolusite ore.<\/p>\n<p style=\"text-align: justify;\">27. What are alloys? Name an important alloy which contains some of the lanthanoid metals. Mention its uses.<\/p>\n<p style=\"text-align: justify;\">28. What are inner transition elements? Decide which of the following atomic numbers are the atomic numbers of the inner transition elements: 29, 59, 74, 95, 102, 104.<\/p>\n<p style=\"text-align: justify;\">29. The chemistry of the actinoid elements is not so smooth as that of the Lanthanoids. Justify this statement by giving some examples from the oxidation state of these elements.<\/p>\n<p style=\"text-align: justify;\">30. Which is the last element in the series of the actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element.<\/p>\n<p style=\"text-align: justify;\">31. Use Hund&#8217;s rule to derive the electronic configuration of <img decoding=\"async\" style=\"height: 22px; width: 33px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image157.png\" \/>ion and calculate its magnetic moment on the basis of &#8216;spin-only&#8217; formula.<\/p>\n<p style=\"text-align: justify;\">32. Name the members of the lanthanoid series which exhibit +4 oxidation state and those which exhibit +2 oxidation state. Try to correlate this type of behavior with the electronic configurations of these elements.<\/p>\n<p style=\"text-align: justify;\">33. Compare the chemistry of the actinoids with that of lanthanoids with reference to:<\/p>\n<p style=\"text-align: justify;\">(i) electronic configuration<\/p>\n<p style=\"text-align: justify;\">(ii) oxidation states and<\/p>\n<p style=\"text-align: justify;\">(iii) chemical reactivity.<\/p>\n<p style=\"text-align: justify;\">34. Write the electronic configurations of the elements with the atomic numbers 61, 91, 101, and 109.<\/p>\n<p style=\"text-align: justify;\">35. Compare the general characteristics of the first series of the transition metals with those of the second and third series metals in the respective vertical columns. Give special emphasis on the following points:<\/p>\n<p style=\"text-align: justify;\">(i) electronic configurations,<\/p>\n<p style=\"text-align: justify;\">(ii) oxidation states,<\/p>\n<p style=\"text-align: justify;\">(iii) ionisation enthalpies, and<\/p>\n<p style=\"text-align: justify;\">(iv) atomic sizes.<\/p>\n<p style=\"text-align: justify;\">36. Write down the number of 3d electrons in each of the following ions: <img decoding=\"async\" style=\"height: 24px; width: 277px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image178.png\" \/>and <img decoding=\"async\" style=\"height: 22px; width: 35px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image033.png\" \/>. Indicate how would you expect the five 3d orbitals to be occupied for these hydrated ions (octahedral).<\/p>\n<p style=\"text-align: justify;\">37. Comment on the statement that elements of the first transition series possess many properties different from those of heavier transition elements.<\/p>\n<p style=\"text-align: justify;\">38. What can be inferred from the magnetic moment values of the following complex species?<\/p>\n<p style=\"text-align: justify;\">Example Magnetic Moment (BM)<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" style=\"height: 27px; width: 121px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image180.png\" \/><\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" style=\"height: 29px; width: 129px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image181.png\" \/><\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" style=\"height: 27px; width: 103px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/12\/chemistry\/ch08\/image182.png\" \/><\/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<\/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 The d and f block elements part 2 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 &#8230; <a title=\"NCERT Solutions class 12 Chemistry The d and f block elements part 2\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-12-chemistry-the-d-and-f-block-elements-part-2\/\" aria-label=\"More on NCERT Solutions class 12 Chemistry The d and f block elements part 2\">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-4362","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 The d and f block elements part 2<\/title>\n<meta name=\"description\" content=\"NCERT Solutions class 12 Chemistry The d and f block elements part 2 in PDF format for free download. 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