{"id":220752,"date":"2025-05-28T18:07:13","date_gmt":"2025-05-28T18:07:13","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=220752"},"modified":"2025-05-28T18:07:15","modified_gmt":"2025-05-28T18:07:15","slug":"what-is-true-about-intermolecular-forces","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/05\/28\/what-is-true-about-intermolecular-forces\/","title":{"rendered":"What is true about intermolecular forces"},"content":{"rendered":"\n<p>What is true about intermolecular forces?<\/p>\n\n\n\n<p>Select the correct answer below:<\/p>\n\n\n\n<p>A. They are attractions within a molecule.<br>B. They are attractions between molecules or particles.<br>C. They are stronger than bonds between atoms.<br>D. They only occur in the gas phase.<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p><strong>Correct Answer: B. They are attractions between molecules or particles.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Explanation:<\/strong><\/p>\n\n\n\n<p>Intermolecular forces (IMFs) are the forces of attraction or repulsion that act between neighboring particles (atoms, molecules, or ions). They are distinct from <strong>intramolecular forces<\/strong>, which are the <strong>chemical bonds (such as covalent or ionic bonds)<\/strong> that hold atoms together within a molecule. That\u2019s why option A is incorrect\u2014IMFs occur <em>between<\/em>, not <em>within<\/em>, molecules.<\/p>\n\n\n\n<p>Intermolecular forces play a key role in determining the <strong>physical properties<\/strong> of substances, such as <strong>boiling point, melting point, vapor pressure, and solubility<\/strong>. Common types of IMFs include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>London dispersion forces<\/strong>: Present in all molecules, especially significant in nonpolar substances. These are the weakest IMFs, caused by temporary shifts in electron density.<\/li>\n\n\n\n<li><strong>Dipole-dipole interactions<\/strong>: Occur between polar molecules, where the positive end of one molecule is attracted to the negative end of another.<\/li>\n\n\n\n<li><strong>Hydrogen bonding<\/strong>: A particularly strong type of dipole-dipole interaction that occurs when hydrogen is bonded to a highly electronegative atom like nitrogen, oxygen, or fluorine.<\/li>\n\n\n\n<li><strong>Ion-dipole forces<\/strong>: Occur between ions and polar molecules, especially important in solutions of ionic compounds in polar solvents like water.<\/li>\n<\/ul>\n\n\n\n<p>Option C is incorrect because <strong>intermolecular forces are generally much weaker<\/strong> than the covalent or ionic bonds that hold atoms together in molecules. For example, breaking covalent bonds requires significantly more energy than overcoming IMFs.<\/p>\n\n\n\n<p>Option D is also incorrect. Intermolecular forces exist in <strong>all phases of matter<\/strong>, not just the gas phase. In fact, they are particularly significant in <strong>liquids and solids<\/strong>, where molecules are close together and IMFs hold them in a condensed phase.<\/p>\n\n\n\n<p>In summary, intermolecular forces are <strong>attractions between molecules or particles<\/strong>, and while weaker than intramolecular bonds, they are crucial in explaining many observable physical properties of matter.<\/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\/learnexams-banner7-69.jpeg\" alt=\"\" class=\"wp-image-220753\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>What is true about intermolecular forces? Select the correct answer below: A. They are attractions within a molecule.B. They are attractions between molecules or particles.C. They are stronger than bonds between atoms.D. They only occur in the gas phase. The Correct Answer and Explanation is: Correct Answer: B. They are attractions between molecules or particles. [&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-220752","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/220752","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=220752"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/220752\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=220752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=220752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=220752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}