{"id":4644,"date":"2018-09-05T05:30:00","date_gmt":"2018-09-05T00:00:00","guid":{"rendered":"http:\/\/mycbseguide.com\/blog\/ncert-solutions-class-11-chemistry-some-basic-concepts-of-chemistry-part-2\/"},"modified":"2018-10-22T17:01:25","modified_gmt":"2018-10-22T11:31:25","slug":"ncert-solutions-class-11-chemistry-some-basic-concepts-of-chemistry-part-2","status":"publish","type":"post","link":"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-11-chemistry-some-basic-concepts-of-chemistry-part-2\/","title":{"rendered":"NCERT Solutions for Class 11 Chemistry Some Basic Concepts of Chemistry 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-11-chemistry-some-basic-concepts-of-chemistry-part-2\/#NCERT_Class_11_Chemistry_Chapter_wise_Solutions\" >NCERT Class 11 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-11-chemistry-some-basic-concepts-of-chemistry-part-2\/#NCERT_Solutions_for_Class_11_Chemistry_Some_Basic_Concepts_of_Chemistry_Part_2\" >NCERT Solutions for Class 11 Chemistry Some Basic Concepts of Chemistry Part 2<\/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-11-chemistry-some-basic-concepts-of-chemistry-part-2\/#NCERT_Solutions_for_Class_11_Chemistry_Chapter_1_Some_Basic_Concepts_of_Chemistry\" >NCERT Solutions for Class 11 Chemistry Chapter 1 Some Basic Concepts of Chemistry<\/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-11-chemistry-some-basic-concepts-of-chemistry-part-2\/#NCERT_Solutions_for_Science_Class_3rd_to_12th\" >NCERT Solutions for Science Class 3rd to 12th<\/a><\/li><\/ul><\/nav><\/div>\n<p>NCERT Solutions for Class 11 Chemistry Some Basic Concepts of Chemistry Part 2 Class 11 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 11 Chemistry chapter wise NCERT solution for Class 11 Chemistry Some Basic Concepts of Chemistry Part 1 and all the chapters can be downloaded from our website and myCBSEguide mobile app for free.<\/p>\n<p style=\"text-align: center;\"><strong>NCERT solutions for Class 11 Chemistry\u00a0<a class=\"button\" href=\"https:\/\/mycbseguide.com\/downloads\/cbse-class-11-chemistry\/1356\/ncert-solutions\/5\/\">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\/11_Chemistry_Book.jpg\" alt=\"Class 11 Chemistry Some Basic Concepts of Chemistry Part 2\" width=\"97\" height=\"139\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Class_11_Chemistry_Chapter_wise_Solutions\"><\/span><span class=\"underline-text\">NCERT Class 11 Chemistry Chapter wise Solutions<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>Chapter 1 \u2013 Some Basic Concepts of Chemistry<\/li>\n<li>Chapter 2 \u2013 Structure of Atom<\/li>\n<li>Chapter 3 \u2013 Classification of Elements and Periodicity in Properties<\/li>\n<li>Chapter 4 \u2013 Chemical Bonding and Molecular Structure<\/li>\n<li>Chapter 5 \u2013 States of Matter<\/li>\n<li>Chapter 6 \u2013 Thermodynamics<\/li>\n<li>Chapter 7 \u2013 Equilibrium<\/li>\n<li>Chapter 8 \u2013 Redox Reactions<\/li>\n<li>Chapter 9 \u2013 Hydrogen<\/li>\n<li>Chapter 10 \u2013 The s-Block Elements<\/li>\n<li>Chapter 11 \u2013 The p-Block Elements<\/li>\n<li>Chapter 12 \u2013 Organic Chemistry \u2013 Some Basic Principles and Techniques<\/li>\n<li>Chapter 13 \u2013\u00a0Hydrocarbons<\/li>\n<li>Chapter 14 \u2013\u00a0Environmental Chemistry<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_11_Chemistry_Some_Basic_Concepts_of_Chemistry_Part_2\"><\/span>NCERT Solutions for Class 11 Chemistry Some Basic Concepts of Chemistry Part 2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>20. Round up the following upto three significant figures:<\/p>\n<p>(i) 34.216<\/p>\n<p>(ii) 10.4107<\/p>\n<p>(iii) 0.04597<\/p>\n<p>(iv) 2808<\/p>\n<p>21. The following data are obtained when dinitrogen and dioxygen react together to form different compounds:<\/p>\n<p><img decoding=\"async\" id=\"Picture 5\" style=\"height: 97px; width: 291px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image075.png\" \/><\/p>\n<p>(a) Which law of chemical combination is obeyed by the above experimental data? Give its statement.<\/p>\n<p>(b) Fill in the blanks in the following conversions:<\/p>\n<p>(i) 1 km = &#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;. mm = &#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;. pm<\/p>\n<p>(ii) 1 mg = &#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;. kg = &#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;. ng<\/p>\n<p>(iii) 1 mL = &#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;. L = &#8230;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;. <img decoding=\"async\" style=\"height: 21px; width: 29px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image076.png\" \/><\/p>\n<p>22. If the speed of light is<img decoding=\"async\" style=\"height: 22px; width: 99px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image090.png\" \/> , calculate the distance covered by light in 2.00 ns.<\/p>\n<p>23. In a reaction A + <img decoding=\"async\" style=\"height: 20px; width: 21px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image094.png\" \/> \u2192 <img decoding=\"async\" style=\"height: 20px; width: 32px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image095.png\" \/><\/p>\n<p>Identify the limiting reagent, if any, in the following reaction mixtures.<\/p>\n<p>(i) 300 atoms of A + 200 molecules of B<\/p>\n<p>(ii) 2 mol A + 3 mol B<\/p>\n<p>(iii) 100 atoms of A + 100 molecules of B<\/p>\n<p>(iv) 5 mol A + 2.5 mol B<\/p>\n<p>(v) 2.5 mol A + 5 mol B<\/p>\n<p>24. Dinitrogen and dihydrogen react with each other to produce ammonia according to the following chemical equation:<\/p>\n<p><img decoding=\"async\" style=\"height: 27px; width: 210px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image096.png\" \/><\/p>\n<p>(i) Calculate the mass of ammonia produced if <img decoding=\"async\" style=\"height: 24px; width: 81px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image097.png\" \/> dinitrogen reacts with 1.00 <img decoding=\"async\" style=\"height: 13px; width: 12px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image004.png\" \/> 103g of dihydrogen.<\/p>\n<p>(ii) Will any of the two reactants remain unreacted?<\/p>\n<p>(iii) If yes, which one and what would be its mass?<\/p>\n<p>25. How are 0.50 mol <img decoding=\"async\" style=\"height: 24px; width: 60px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image106.png\" \/> and 0.50 M <img decoding=\"async\" style=\"height: 24px; width: 60px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image106.png\" \/> different?<\/p>\n<hr \/>\n<p>26. If ten volumes of dihydrogen gas react with five volumes of dioxygen gas, how many volumes of water vapour would be produced?<\/p>\n<p>27. Convert the following into basic units:<\/p>\n<p>(i) 28.7 pm<\/p>\n<p>(ii) 15.15 pm<\/p>\n<p>(iii) 25365 mg<\/p>\n<p>28. Which one of the following will have largest number of atoms?<\/p>\n<p>(i) 1 g Au (s)<\/p>\n<p>(ii) 1 g Na (s)<\/p>\n<p>(iii) 1 g Li (s)<\/p>\n<p>(iv) 1 g of <img decoding=\"async\" style=\"height: 24px; width: 27px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image118.png\" \/>(g)<\/p>\n<p>29. Calculate the molarity of a solution of ethanol in water in which the mole fraction of ethanol is 0.040 (assume the density of water to be one).<\/p>\n<p>30. What will be the mass of one 12C atom in g?<\/p>\n<p>31. How many significant figures should be present in the answer of the following calculations?<\/p>\n<p>(i) <img decoding=\"async\" style=\"height: 42px; width: 164px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image147.png\" \/><\/p>\n<p>(ii) 5 \u00d7 5.364<\/p>\n<p>(iii) 0.0125 + 0.7864 + 0.0215<\/p>\n<p>32. Use the data given in the following table to calculate the molar mass of naturally occurring <em>argon<\/em> isotopes:<\/p>\n<p><img decoding=\"async\" id=\"Picture 7\" style=\"height: 112px; width: 460px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image148.png\" \/><\/p>\n<p>33. Calculate the number of atoms in each of the following (i) 52 moles of Ar (ii) 52 u of He (iii) 52 g of He.<\/p>\n<p style=\"text-align: justify;\">34. A welding fuel gas contains carbon and hydrogen only. Burning a small sample of it in oxygen gives 3.38 g carbon dioxide, 0.690 g of water and no other products. A volume of 10.0 L (measured at STP) of this welding gas is found to weigh 11.6 g. Calculate (i) empirical formula, (ii) molar mass of the gas, and (iii) molecular formula.<\/p>\n<p>35. Calcium carbonate reacts with aqueous HCl to give <img decoding=\"async\" style=\"height: 24px; width: 112px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image168.png\" \/> according to the reaction,<\/p>\n<p><img decoding=\"async\" style=\"height: 27px; width: 438px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image169.png\" \/><\/p>\n<p>What mass of <img decoding=\"async\" style=\"height: 24px; width: 53px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image170.png\" \/> is required to react completely with 25 mL of 0.75 M HCl?<\/p>\n<p>36. Chlorine is prepared in the laboratory by treating manganese dioxide (<img decoding=\"async\" style=\"height: 24px; width: 47px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image175.png\" \/> ) with aqueous hydrochloric acid according to the reaction<\/p>\n<p><img decoding=\"async\" style=\"height: 27px; width: 433px;\" src=\"https:\/\/media-mycbseguide.s3.amazonaws.com\/images\/static\/ncert\/11\/chemistry\/ch01\/image176.png\" \/> How many grams of HCl react with 5.0 g of manganese dioxide?<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Class_11_Chemistry_Chapter_1_Some_Basic_Concepts_of_Chemistry\"><\/span>NCERT Solutions for Class 11 Chemistry Chapter 1 Some Basic Concepts of Chemistry<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>NCERT Solutions Class 11 Chemistry Some Basic Concepts of Chemistry Part 2 PDF (Download) Free<\/strong>\u00a0from myCBSEguide app and myCBSEguide website. Ncert solution class 11 Chemistry includes text book solutions from both part 1 and part 2. NCERT Solutions for CBSE Class 11 Chemistry have total 14 chapters. 11 Chemistry NCERT Solutions in PDF for free Download on our website. Ncert Chemistry class 11 solutions PDF and Chemistry ncert class 11 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide<\/p>\n<h2><span class=\"ez-toc-section\" id=\"NCERT_Solutions_for_Science_Class_3rd_to_12th\"><\/span>NCERT Solutions for Science Class 3rd to 12th<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-12-physics\/\">NCERT Solutions for Class 12 Physics<\/a>.<\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-12-chemistry\/\">NCERT Solutions for Class 12 Chemistry<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-12-biology\/\">NCERT Solutions for Class 12 Biology<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-11-physics\/\">NCERT solutions for class 11 Physics<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-11-chemistry\/\">NCERT Solutions for Class 11 Chemistry<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-11-biology\/\">NCERT solutions for class 11 Biology<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-10-science\/\">NCERT Solutions for Class 10 Science<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-9-science\/\">NCERT Solutions for Class 9 Science<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-8-science\/\">NCERT solutions for Class 8 Science<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-7-science\/\">NCERT solutions for Class 7 Science<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-6-science\/\">NCERT Solutions for Class 6 Science<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-5-evs\/\">NCERT Solutions for Class 5 EVS<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-4-evs\/\">NCERT Solutions for Class 4 EVS<\/a><\/li>\n<li><a href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-for-class-3-evs\/\">NCERT Solutions for Class 3 EVS<\/a><\/li>\n<\/ul>\n<p>To download\u00a0NCERT Solutions for class 11 Chemistry, 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\u00a0<strong>myCBSEguide.com<\/strong>\u00a0website.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NCERT Solutions for Class 11 Chemistry Some Basic Concepts of Chemistry Part 2 Class 11 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 for Class 11 Chemistry Some Basic Concepts of Chemistry Part 2\" class=\"read-more\" href=\"https:\/\/mycbseguide.com\/blog\/ncert-solutions-class-11-chemistry-some-basic-concepts-of-chemistry-part-2\/\" aria-label=\"More on NCERT Solutions for Class 11 Chemistry Some Basic Concepts of Chemistry 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":[1416,281],"tags":[283,320,1449,216],"class_list":["post-4644","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chemistry","category-ncert-solutions","tag-cbse-study-material","tag-chemistry","tag-class-11","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 for Class 11 Chemistry Some Basic Concepts of Chemistry Part 2 | myCBSEguide<\/title>\n<meta name=\"description\" content=\"NCERT Solutions for Class 11 Chemistry Some Basic Concepts of Chemistry Part 2 in PDF format for free download. 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