{"id":192518,"date":"2025-02-18T04:05:16","date_gmt":"2025-02-18T04:05:16","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=192518"},"modified":"2025-02-18T04:05:19","modified_gmt":"2025-02-18T04:05:19","slug":"which-has-the-incorrect-name-formula-combination-2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/02\/18\/which-has-the-incorrect-name-formula-combination-2\/","title":{"rendered":"Which has the incorrect name-formula combination"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li>Which has the incorrect name-formula combination?<br>A) Sulfur dioxide -SO<br>B) lodine trifluoride &#8211; IF<br>C) Nitrogen tribromide &#8211; NBr.<br>D) Silicon tetrafluoride &#8211; SIF 4<\/li>\n\n\n\n<li>Describe the electrodes in this zinc-copper galvanic cell<br>Zinc Copper<br>List the following to either Zinc or Copper, anode, cathode, gains mass, loses mass<\/li>\n<\/ol>\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\">1. Incorrect Name-Formula Combination:<\/h3>\n\n\n\n<p>The correct answer is <strong>A) Sulfur dioxide &#8211; SO<\/strong>.<\/p>\n\n\n\n<p>Explanation:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Sulfur dioxide<\/strong> (SO\u2082) is a molecule that consists of one sulfur (S) atom and two oxygen (O) atoms, not one oxygen atom (SO). Therefore, the formula <strong>SO<\/strong> is incorrect for sulfur dioxide. The correct formula for sulfur dioxide is <strong>SO\u2082<\/strong>.<\/li>\n\n\n\n<li><strong>Iodine trifluoride<\/strong> (IF\u2083) correctly represents iodine bonded with three fluorine atoms.<\/li>\n\n\n\n<li><strong>Nitrogen tribromide<\/strong> (NBr\u2083) correctly represents nitrogen bonded with three bromine atoms.<\/li>\n\n\n\n<li><strong>Silicon tetrafluoride<\/strong> (SiF\u2084) correctly represents silicon bonded with four fluorine atoms.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Zinc-Copper Galvanic Cell Explanation:<\/h3>\n\n\n\n<p>In a <strong>zinc-copper galvanic cell<\/strong>, zinc and copper serve as the electrodes for the cell. Here&#8217;s the breakdown:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Zinc Electrode (Anode)<\/strong>:<\/li>\n\n\n\n<li>Zinc is the <strong>anode<\/strong> of the cell. In this part of the cell, zinc undergoes oxidation, meaning it loses electrons. The zinc metal dissolves into the electrolyte as Zn\u00b2\u207a ions.<\/li>\n\n\n\n<li>The loss of zinc metal causes the <strong>zinc electrode to lose mass<\/strong> because zinc atoms are turning into zinc ions (Zn\u00b2\u207a).<\/li>\n\n\n\n<li>The reaction at the zinc electrode is:<br>[<br>\\text{Zn (s)} \\rightarrow \\text{Zn}^{2+} (aq) + 2e^-<br>]<\/li>\n\n\n\n<li>The electrons released during the oxidation process flow through the external circuit to the copper electrode.<\/li>\n\n\n\n<li><strong>Copper Electrode (Cathode)<\/strong>:<\/li>\n\n\n\n<li>The copper is the <strong>cathode<\/strong> in this galvanic cell. At this electrode, reduction occurs as copper ions (Cu\u00b2\u207a) in the electrolyte gain electrons to form copper metal.<\/li>\n\n\n\n<li>The copper electrode <strong>gains mass<\/strong> because copper ions are reduced to solid copper, which plates onto the electrode.<\/li>\n\n\n\n<li>The reaction at the copper electrode is:<br>[<br>\\text{Cu}^{2+} (aq) + 2e^- \\rightarrow \\text{Cu (s)}<br>]<\/li>\n<\/ul>\n\n\n\n<p><strong>Overall Process<\/strong>:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The zinc electrode loses mass (oxidation), and the copper electrode gains mass (reduction).<\/li>\n\n\n\n<li>The galvanic cell generates an electric current because of the flow of electrons from the zinc anode to the copper cathode through the external circuit.<\/li>\n\n\n\n<li>This type of cell is spontaneous, meaning it generates electrical energy as a result of the chemical reactions occurring at the two electrodes.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The Correct Answer and Explanation is : 1. Incorrect Name-Formula Combination: The correct answer is A) Sulfur dioxide &#8211; SO. Explanation: 2. Zinc-Copper Galvanic Cell Explanation: In a zinc-copper galvanic cell, zinc and copper serve as the electrodes for the cell. Here&#8217;s the breakdown: Overall Process:<\/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-192518","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/192518","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=192518"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/192518\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=192518"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=192518"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=192518"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}