{"id":185024,"date":"2025-01-22T04:28:51","date_gmt":"2025-01-22T04:28:51","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=185024"},"modified":"2025-01-22T04:28:53","modified_gmt":"2025-01-22T04:28:53","slug":"what-is-the-axe-notation-of","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/01\/22\/what-is-the-axe-notation-of\/","title":{"rendered":"What is the AXE notation of"},"content":{"rendered":"\n<p>What is the AXE notation of\u2026<br>1) IBr-<br>2) C2H2<br>3) NO-<br>4) AIF3<br>5) NOH3<br>6) Si2I4<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">AXE Notation and Explanation<\/h3>\n\n\n\n<p>The AXE notation is used in the Valence Shell Electron Pair Repulsion (VSEPR) theory to determine the molecular geometry of a compound. It is represented as <strong>AX(_m)E(_n)<\/strong>, where:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A<\/strong>: Central atom.<\/li>\n\n\n\n<li><strong>X(_m)<\/strong>: Number of bonded atoms to the central atom.<\/li>\n\n\n\n<li><strong>E(_n)<\/strong>: Number of lone pairs on the central atom.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Answers<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>IBr(^-): AX(_2)E(_3)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Iodine (I) is the central atom, bonded to one bromine atom and has 3 lone pairs of electrons. The extra negative charge adds to the lone pairs.<\/li>\n\n\n\n<li>Molecular shape: Linear.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>C(_2)H(_2): AX(_2)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Each carbon atom forms a triple bond with the other carbon and a single bond with one hydrogen. There are no lone pairs on either carbon.<\/li>\n\n\n\n<li>Molecular shape: Linear.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>NO(^-): AXE(_2)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nitrogen (N) is the central atom, bonded to oxygen and has two lone pairs. The negative charge adds to the lone pairs.<\/li>\n\n\n\n<li>Molecular shape: Linear.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>AlF(_3): AX(_3)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aluminum (Al) is the central atom, bonded to three fluorine atoms, with no lone pairs.<\/li>\n\n\n\n<li>Molecular shape: Trigonal planar.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>NOH(_3): AX(_4)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nitrogen (N) is the central atom, bonded to three hydrogens and one hydroxyl group (-OH). There are no lone pairs.<\/li>\n\n\n\n<li>Molecular shape: Tetrahedral.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Si(_2)I(_4): AX(_4)<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Each silicon (Si) atom is bonded to two iodine atoms and one silicon atom, with no lone pairs.<\/li>\n\n\n\n<li>Molecular shape: Tetrahedral for each Si center.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation (300 Words)<\/h3>\n\n\n\n<p>The VSEPR theory is based on the repulsion between electron pairs (bonding and non-bonding) surrounding a central atom. The AXE notation simplifies the classification of molecular geometries by counting bonded atoms (X) and lone pairs (E) around the central atom (A).<\/p>\n\n\n\n<p>For each molecule:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>IBr(^-)<\/strong>: Iodine has 7 valence electrons, bonds with bromine, and receives an extra electron due to the negative charge. This results in a total of 10 valence electrons, distributed as one bond and three lone pairs.<\/li>\n\n\n\n<li><strong>C(_2)H(_2)<\/strong>: Each carbon has 4 valence electrons, forms a triple bond between them, and single bonds with hydrogen, yielding a linear geometry.<\/li>\n\n\n\n<li><strong>NO(^-)<\/strong>: Nitrogen has 5 valence electrons, bonds with oxygen, and gains one electron from the negative charge. This results in two lone pairs and one bond.<\/li>\n\n\n\n<li><strong>AlF(_3)<\/strong>: Aluminum has 3 valence electrons, bonds to three fluorines, and has no lone pairs, resulting in trigonal planar geometry.<\/li>\n\n\n\n<li><strong>NOH(_3)<\/strong>: Nitrogen bonds with three hydrogens and an -OH group, with no lone pairs, forming a tetrahedral shape.<\/li>\n\n\n\n<li><strong>Si(_2)I(_4)<\/strong>: Silicon bonds with iodine and silicon, forming tetrahedral geometries at each silicon center due to no lone pairs.<\/li>\n<\/ol>\n\n\n\n<p>This approach aligns molecular shapes with electron pair distributions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the AXE notation of\u20261) IBr-2) C2H23) NO-4) AIF35) NOH36) Si2I4 The Correct Answer and Explanation is : AXE Notation and Explanation The AXE notation is used in the Valence Shell Electron Pair Repulsion (VSEPR) theory to determine the molecular geometry of a compound. It is represented as AX(_m)E(_n), where: Answers Explanation (300 Words) [&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-185024","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/185024","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=185024"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/185024\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=185024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=185024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=185024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}