{"id":217786,"date":"2025-05-22T13:25:24","date_gmt":"2025-05-22T13:25:24","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=217786"},"modified":"2025-05-22T13:25:26","modified_gmt":"2025-05-22T13:25:26","slug":"why-does-ch3oh-have-a-higher-boiling-point-than-cl2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/05\/22\/why-does-ch3oh-have-a-higher-boiling-point-than-cl2\/","title":{"rendered":"Why does CH3OH have a higher boiling point than Cl2"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Why does CH3OH have a higher boiling point than Cl2? Explain in terms of intermolecular forces. Select the single best answer. Because CH3OH is soluble in water, and Cl2 is not. ? Because CH2OH can form hydrogen bonds, and Cl2 cannnot. ? Because CH2OH is a liquid, and Cl2 is a gas. Because CH2OH is an ionic compound, and the ion-ion attractions are much stronger than the dispersion forces between Cl2 molecules. X<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Correct Answer: Because CH\u2083OH can form hydrogen bonds, and Cl\u2082 cannot.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Detailed Explanation:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The difference in <strong>boiling points<\/strong> between <strong>CH\u2083OH (methanol)<\/strong> and <strong>Cl\u2082 (chlorine gas)<\/strong> is due to the <strong>type and strength of intermolecular forces<\/strong> acting between their molecules.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Intermolecular Forces Overview:<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Intermolecular forces are attractions between molecules and directly affect physical properties such as boiling points. There are three main types:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>London dispersion forces<\/strong> (present in all molecules, especially nonpolar ones like Cl\u2082),<\/li>\n\n\n\n<li><strong>Dipole-dipole interactions<\/strong> (between polar molecules), and<\/li>\n\n\n\n<li><strong>Hydrogen bonding<\/strong> (a special, strong type of dipole-dipole force occurring when H is bonded to N, O, or F).<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>CH\u2083OH (Methanol):<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Polar molecule<\/strong> with an \u2013OH (hydroxyl) group.<\/li>\n\n\n\n<li>Can form <strong>hydrogen bonds<\/strong> due to the highly electronegative oxygen atom bonded to hydrogen.<\/li>\n\n\n\n<li>These hydrogen bonds are <strong>strong intermolecular attractions<\/strong> that require <strong>more energy to break<\/strong>, leading to a <strong>higher boiling point<\/strong>.<\/li>\n\n\n\n<li>Also experiences <strong>dipole-dipole interactions<\/strong> and <strong>London dispersion forces<\/strong>, but hydrogen bonding is dominant.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Cl\u2082 (Chlorine Gas):<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Nonpolar molecule<\/strong> consisting of two identical chlorine atoms.<\/li>\n\n\n\n<li>Can only exhibit <strong>London dispersion forces<\/strong>, which are <strong>weak and temporary<\/strong> attractions caused by momentary dipoles.<\/li>\n\n\n\n<li>These weak forces are <strong>easier to overcome<\/strong>, so Cl\u2082 has a <strong>much lower boiling point<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Why the Other Options Are Incorrect:<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Solubility in water<\/strong> affects <strong>solubility<\/strong>, not boiling point.<\/li>\n\n\n\n<li>Saying <strong>CH\u2083OH is a liquid and Cl\u2082 is a gas<\/strong> describes their state at room temperature, <strong>not the reason<\/strong> behind their boiling points.<\/li>\n\n\n\n<li><strong>CH\u2083OH is not ionic<\/strong>; it is a <strong>covalent compound<\/strong>, so ion-ion attractions are <strong>not applicable<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Conclusion:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CH\u2083OH has a higher boiling point than Cl\u2082 because it can form hydrogen bonds, which are stronger than the London dispersion forces that exist between Cl\u2082 molecules.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/05\/image-69.png\" alt=\"\" class=\"wp-image-217787\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Why does CH3OH have a higher boiling point than Cl2? Explain in terms of intermolecular forces. Select the single best answer. Because CH3OH is soluble in water, and Cl2 is not. ? Because CH2OH can form hydrogen bonds, and Cl2 cannnot. ? Because CH2OH is a liquid, and Cl2 is a gas. Because CH2OH is [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-217786","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/217786","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=217786"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/217786\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=217786"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=217786"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=217786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}