{"id":253789,"date":"2025-07-12T07:27:57","date_gmt":"2025-07-12T07:27:57","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=253789"},"modified":"2025-07-12T07:27:59","modified_gmt":"2025-07-12T07:27:59","slug":"draw-the-molecular-orbital-diagram-for-f2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/12\/draw-the-molecular-orbital-diagram-for-f2\/","title":{"rendered":"Draw the molecular orbital diagram for F2-"},"content":{"rendered":"\n<p>Draw the molecular orbital diagram for F2-<\/p>\n\n\n\n<p><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<h3 class=\"wp-block-heading\">Molecular Orbital Diagram for F\u2082\u207b<\/h3>\n\n\n\n<p><strong>Steps to draw the molecular orbital diagram:<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Electron Configuration of Fluorine Atom:<\/strong><br>Fluorine has an atomic number of 9, so the electron configuration is: 1s2&nbsp;2s2&nbsp;2p51s^2 \\ 2s^2 \\ 2p^51s2&nbsp;2s2&nbsp;2p5 When two fluorine atoms come together to form the F\u2082 molecule, they each contribute 9 electrons, giving a total of 18 electrons in the bonding molecular orbitals.<\/li>\n\n\n\n<li><strong>Molecular Orbitals for F\u2082\u207b:<\/strong><br>The negative charge (F\u2082\u207b) adds one more electron, increasing the total electron count to 19. This electron will be placed in one of the molecular orbitals.<\/li>\n\n\n\n<li><strong>Molecular Orbitals Energy Ordering:<\/strong><br>The molecular orbitals for diatomic molecules like F\u2082 are filled in the following order based on the energy level:\n<ul class=\"wp-block-list\">\n<li>\u03c3(1s)<\/li>\n\n\n\n<li>\u03c3*(1s)<\/li>\n\n\n\n<li>\u03c3(2s)<\/li>\n\n\n\n<li>\u03c3*(2s)<\/li>\n\n\n\n<li>\u03c3(2pz)<\/li>\n\n\n\n<li>\u03c0(2px) = \u03c0(2py)<\/li>\n\n\n\n<li>\u03c0*(2px) = \u03c0*(2py)<\/li>\n\n\n\n<li>\u03c3*(2pz)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Filling the Molecular Orbitals:<\/strong><br>The electrons are placed in the molecular orbitals, starting with the lowest energy levels:\n<ul class=\"wp-block-list\">\n<li>\u03c3(1s) and \u03c3*(1s) each hold 2 electrons (total of 4).<\/li>\n\n\n\n<li>\u03c3(2s) and \u03c3*(2s) each hold 2 electrons (total of 4).<\/li>\n\n\n\n<li>\u03c3(2pz) holds 2 electrons (total of 2).<\/li>\n\n\n\n<li>\u03c0(2px) and \u03c0(2py) each hold 2 electrons (total of 4).<\/li>\n\n\n\n<li>\u03c0*(2px) and \u03c0*(2py) each hold 2 electrons (total of 4).<\/li>\n\n\n\n<li>\u03c3*(2pz) holds 1 electron due to the negative charge (1 additional electron).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Bond Order:<\/strong><br>Bond order is calculated as: Bond&nbsp;order=12(Number&nbsp;of&nbsp;bonding&nbsp;electrons\u2212Number&nbsp;of&nbsp;antibonding&nbsp;electrons)\\text{Bond order} = \\frac{1}{2} (\\text{Number of bonding electrons} &#8211; \\text{Number of antibonding electrons})Bond&nbsp;order=21\u200b(Number&nbsp;of&nbsp;bonding&nbsp;electrons\u2212Number&nbsp;of&nbsp;antibonding&nbsp;electrons) In F\u2082\u207b:<ul><li>Bonding electrons = 10 (\u03c3(1s) + \u03c3(2s) + \u03c3(2pz) + \u03c0(2px) + \u03c0(2py))<\/li><li>Antibonding electrons = 9 (\u03c3*(1s) + \u03c3*(2s) + \u03c0*(2px) + \u03c0*(2py) + \u03c3*(2pz))<\/li><\/ul>Therefore, the bond order is: Bond&nbsp;order=12(10\u22129)=12\\text{Bond order} = \\frac{1}{2} (10 &#8211; 9) = \\frac{1}{2}Bond&nbsp;order=21\u200b(10\u22129)=21\u200b So, the bond order for F\u2082\u207b is <strong>1\/2<\/strong>, indicating a weaker bond than in the neutral F\u2082 molecule.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>In summary, F\u2082\u207b has a bond order of 1\/2, and its molecular orbital diagram shows the placement of 19 electrons in bonding and antibonding orbitals. The additional electron in the antibonding \u03c3*(2pz) orbital reduces the bond strength<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/07\/learnexams-banner9-164.jpeg\" alt=\"\" class=\"wp-image-253804\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Draw the molecular orbital diagram for F2- The Correct Answer and Explanation is: Molecular Orbital Diagram for F\u2082\u207b Steps to draw the molecular orbital diagram: In summary, F\u2082\u207b has a bond order of 1\/2, and its molecular orbital diagram shows the placement of 19 electrons in bonding and antibonding orbitals. The additional electron in the [&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-253789","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/253789","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=253789"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/253789\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=253789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=253789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=253789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}