{"id":264123,"date":"2025-07-21T11:09:50","date_gmt":"2025-07-21T11:09:50","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=264123"},"modified":"2025-07-21T11:09:52","modified_gmt":"2025-07-21T11:09:52","slug":"what-is-the-charge-of-hg-in-hgo","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/21\/what-is-the-charge-of-hg-in-hgo\/","title":{"rendered":"What is the charge of Hg in HgO"},"content":{"rendered":"\n<p>What is the charge of Hg in HgO?<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>The charge of mercury (Hg) in mercury(II) oxide (HgO) is <strong>+2<\/strong>.<\/p>\n\n\n\n<p>Mercury can exist in two oxidation states: +1 and +2. In the compound mercury(II) oxide, the Roman numeral II in the name indicates that mercury is in the +2 oxidation state. The oxide ion (O) has a charge of -2, as oxygen typically forms anions with a -2 charge. In order for the compound to be electrically neutral, the positive charge on mercury must balance out the negative charge on oxygen. Therefore, the charge on mercury in this compound is +2.<\/p>\n\n\n\n<p>To summarize:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Oxidation states<\/strong>: Mercury in mercury(II) oxide has an oxidation state of +2, which corresponds to its +2 charge.<\/li>\n\n\n\n<li><strong>Charge balance<\/strong>: The oxide ion has a charge of -2. For the compound to be neutral, the charges of mercury and oxygen must cancel out. A +2 charge on mercury balances the -2 charge on oxygen, resulting in an overall neutral compound.<\/li>\n\n\n\n<li><strong>Naming convention<\/strong>: The name &#8220;mercury(II) oxide&#8221; is used to indicate that mercury is in the +2 oxidation state. This follows the naming system where the Roman numeral specifies the charge of the metal.<\/li>\n<\/ol>\n\n\n\n<p>Mercury can also form compounds where it has a +1 charge, such as in mercury(I) chloride (Hg\u2082Cl\u2082), where two mercury ions each have a +1 charge. However, in HgO, the charge on mercury is +2, which is why it is referred to as mercury(II) oxide.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the charge of Hg in HgO? The correct answer and explanation is: The charge of mercury (Hg) in mercury(II) oxide (HgO) is +2. Mercury can exist in two oxidation states: +1 and +2. In the compound mercury(II) oxide, the Roman numeral II in the name indicates that mercury is in the +2 oxidation [&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-264123","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/264123","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=264123"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/264123\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=264123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=264123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=264123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}