{"id":202587,"date":"2025-03-17T17:26:50","date_gmt":"2025-03-17T17:26:50","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=202587"},"modified":"2025-03-17T17:26:52","modified_gmt":"2025-03-17T17:26:52","slug":"in-the-reaction-zn-h2so4ae-zn-so4-h2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/17\/in-the-reaction-zn-h2so4ae-zn-so4-h2\/","title":{"rendered":"In the reaction Zn + H2SO4\u00c6 Zn SO4+ H2"},"content":{"rendered":"\n<p>In the reaction Zn + H2SO4\u00c6 Zn SO4+ H2, which, if any, element is oxidized?<\/p>\n\n\n\n<p>[A] Oxygen<\/p>\n\n\n\n<p>[B] Zinc<\/p>\n\n\n\n<p>[C] Hydrogen<\/p>\n\n\n\n<p>[D] Sulfur<\/p>\n\n\n\n<p>[E] None of these<\/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 answer is <strong>[B] Zinc<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>The reaction given is:<\/p>\n\n\n\n<p>[ \\text{Zn} + \\text{H}_2\\text{SO}_4 \\rightarrow \\text{ZnSO}_4 + \\text{H}_2 ]<\/p>\n\n\n\n<p>In this reaction, zinc (Zn) reacts with sulfuric acid (H\u2082SO\u2084) to form zinc sulfate (ZnSO\u2084) and hydrogen gas (H\u2082). To determine which element is oxidized, we need to understand the concepts of oxidation and reduction.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Oxidation<\/strong> is the process in which an element loses electrons, and <strong>reduction<\/strong> is when an element gains electrons. Let&#8217;s break down the changes in oxidation states of the elements involved.<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zinc (Zn)<\/strong> starts as a pure metal (Zn), and it ends up in the form of zinc sulfate (ZnSO\u2084), where zinc has an oxidation state of +2. The oxidation state of zinc changes from 0 (in elemental zinc) to +2 (in ZnSO\u2084). Since zinc loses two electrons during this process, it is <strong>oxidized<\/strong>.<\/li>\n\n\n\n<li><strong>Hydrogen (H)<\/strong> starts in sulfuric acid as H\u2082SO\u2084, where hydrogen has an oxidation state of +1. After the reaction, hydrogen ends up as H\u2082 gas, where the hydrogen atoms have an oxidation state of 0. Since hydrogen gains electrons in this process, it is <strong>reduced<\/strong>.<\/li>\n\n\n\n<li><strong>Sulfur (S)<\/strong> in H\u2082SO\u2084 has an oxidation state of +6, and in ZnSO\u2084, it remains at +6, so sulfur is neither oxidized nor reduced.<\/li>\n\n\n\n<li><strong>Oxygen (O)<\/strong> has an oxidation state of -2 in both H\u2082SO\u2084 and ZnSO\u2084, so oxygen is also neither oxidized nor reduced.<\/li>\n<\/ul>\n\n\n\n<p>Thus, the element that undergoes oxidation (losing electrons) is <strong>zinc (Zn)<\/strong>. Therefore, the correct answer is <strong>[B] Zinc<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the reaction Zn + H2SO4\u00c6 Zn SO4+ H2, which, if any, element is oxidized? [A] Oxygen [B] Zinc [C] Hydrogen [D] Sulfur [E] None of these The correct answer and explanation is : The correct answer is [B] Zinc. Explanation: The reaction given is: [ \\text{Zn} + \\text{H}_2\\text{SO}_4 \\rightarrow \\text{ZnSO}_4 + \\text{H}_2 ] In [&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-202587","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/202587","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=202587"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/202587\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=202587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=202587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=202587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}