{"id":203691,"date":"2025-03-20T12:48:12","date_gmt":"2025-03-20T12:48:12","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=203691"},"modified":"2025-03-20T12:48:14","modified_gmt":"2025-03-20T12:48:14","slug":"what-is-the-iupac-name-of-the-compound-cro3","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/20\/what-is-the-iupac-name-of-the-compound-cro3\/","title":{"rendered":"What is the IUPAC name of the compound Cro3"},"content":{"rendered":"\n<p>What is the IUPAC name of the compound Cro3?<\/p>\n\n\n\n<p>Chromium trioxide<\/p>\n\n\n\n<p>Chromium(VI)oxide<br>Chromium oxide<br>Chromium(III)oxide<br>Chromium(I)oxide<\/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<p>The correct IUPAC name for <strong>CrO\u2083<\/strong> is <strong>Chromium(VI) oxide<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Understanding the Oxidation State of Chromium<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oxygen typically has an oxidation state of <strong>-2<\/strong>.<\/li>\n\n\n\n<li>The compound <strong>CrO\u2083<\/strong> consists of <strong>one chromium (Cr) atom<\/strong> and <strong>three oxygen (O) atoms<\/strong>.<\/li>\n\n\n\n<li>To determine the oxidation state of chromium, let\u2019s set up an equation: [<br>x + 3(-2) = 0<br>] [<br>x &#8211; 6 = 0<br>] [<br>x = +6<br>] So, the oxidation state of chromium in CrO\u2083 is <strong>+6<\/strong>.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>IUPAC Naming Rules<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The name of a binary compound typically follows the format:<br><strong>[Metal name] (Oxidation state in Roman numerals) [Nonmetal name with -ide or -oxide]<\/strong><\/li>\n\n\n\n<li>Since chromium is in the <strong>+6 oxidation state<\/strong>, we indicate this in Roman numerals: <strong>Chromium(VI)<\/strong>.<\/li>\n\n\n\n<li>Since oxygen is present as the anion, we use <strong>&#8220;oxide&#8221;<\/strong> to complete the name. <strong>Final IUPAC name: Chromium(VI) oxide<\/strong>.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Why Other Options Are Incorrect?<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Chromium trioxide<\/strong>: This is a common name, not the IUPAC name.<\/li>\n\n\n\n<li><strong>Chromium oxide<\/strong>: This name is too vague and does not specify the oxidation state.<\/li>\n\n\n\n<li><strong>Chromium(III) oxide<\/strong>: This corresponds to Cr\u2082O\u2083, where chromium is in the +3 state.<\/li>\n\n\n\n<li><strong>Chromium(I) oxide<\/strong>: No such stable oxide of chromium with +1 oxidation state exists.<\/li>\n<\/ul>\n\n\n\n<p>Thus, the correct answer is <strong>Chromium(VI) oxide<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the IUPAC name of the compound Cro3? Chromium trioxide Chromium(VI)oxideChromium oxideChromium(III)oxideChromium(I)oxide The correct answer and explanation is : The correct IUPAC name for CrO\u2083 is Chromium(VI) oxide. Explanation: Thus, the correct answer is Chromium(VI) oxide.<\/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-203691","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/203691","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=203691"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/203691\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=203691"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=203691"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=203691"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}