{"id":231594,"date":"2025-06-11T08:20:03","date_gmt":"2025-06-11T08:20:03","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=231594"},"modified":"2025-06-11T08:20:05","modified_gmt":"2025-06-11T08:20:05","slug":"what-is-the-oxidation-number-of-sulfur-in-the-hso4","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/06\/11\/what-is-the-oxidation-number-of-sulfur-in-the-hso4\/","title":{"rendered":"What is the oxidation number of sulfur in the HSO4"},"content":{"rendered":"\n<p>What is the oxidation number of sulfur in the HSO4<\/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>The oxidation number of sulfur in the hydrogen sulfite ion (<strong>HSO\u2083\u207b<\/strong>) is <strong>+4<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>To determine the oxidation number of sulfur in HSO\u2083\u207b, we follow these steps:<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Assign known oxidation numbers:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Hydrogen (<strong>H<\/strong>) always has an oxidation number of <strong>+1<\/strong> in compounds.<\/li>\n\n\n\n<li>Oxygen (<strong>O<\/strong>) usually has an oxidation number of <strong>-2<\/strong> in most compounds.<\/li>\n\n\n\n<li>The oxidation number of sulfur (<strong>S<\/strong>) is unknown and will be determined.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Set up the equation:<\/strong> The total charge of the polyatomic ion <strong>HSO\u2083\u207b<\/strong> is <strong>-1<\/strong>, meaning the sum of oxidation numbers of all atoms must equal <strong>-1<\/strong>.Let <strong>x<\/strong> be the oxidation number of sulfur. Using oxidation numbers:<\/li>\n<\/ol>\n\n\n\n<p>(+1)+(x)+3(\u22122)=\u22121(+1) + (x) + 3(-2) = -1<\/p>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li><strong>Solve for x:<\/strong><\/li>\n<\/ol>\n\n\n\n<p>1+x\u22126=\u221211 + x &#8211; 6 = -1<\/p>\n\n\n\n<p>x\u22125=\u22121x &#8211; 5 = -1<\/p>\n\n\n\n<p>x=+4x = +4<\/p>\n\n\n\n<p>Thus, the oxidation number of sulfur in <strong>HSO\u2083\u207b<\/strong> is <strong>+4<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why is this important?<\/h3>\n\n\n\n<p>The oxidation number reflects how electrons are distributed in a compound, helping chemists understand its chemical properties, reaction behavior, and potential redox activity. In this case, sulfur in <strong>HSO\u2083\u207b<\/strong> is in the <strong>+4<\/strong> oxidation state, meaning it can either gain or lose electrons depending on its chemical reaction, making it an essential intermediate in oxidation and reduction processes.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner4-925.jpeg\" alt=\"\" class=\"wp-image-231596\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>What is the oxidation number of sulfur in the HSO4 The Correct Answer and Explanation is: The oxidation number of sulfur in the hydrogen sulfite ion (HSO\u2083\u207b) is +4. Explanation: To determine the oxidation number of sulfur in HSO\u2083\u207b, we follow these steps: (+1)+(x)+3(\u22122)=\u22121(+1) + (x) + 3(-2) = -1 1+x\u22126=\u221211 + x &#8211; 6 [&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-231594","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/231594","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=231594"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/231594\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=231594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=231594"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=231594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}