{"id":199226,"date":"2025-03-10T20:31:15","date_gmt":"2025-03-10T20:31:15","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=199226"},"modified":"2025-03-10T20:31:17","modified_gmt":"2025-03-10T20:31:17","slug":"what-is-the-chemical-formula-for-copperii-phosphate","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/10\/what-is-the-chemical-formula-for-copperii-phosphate\/","title":{"rendered":"What is the chemical formula for copper(II) phosphate"},"content":{"rendered":"\n<p>What is the chemical formula for copper(II) phosphate?<\/p>\n\n\n\n<p>A) Cu2P<br>B) Cu2PO4<br>C) Cu3P2<br>D) Cu3(PO4)2<\/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:<\/p>\n\n\n\n<p><strong>D) Cu\u2083(PO\u2084)\u2082<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Understanding Copper(II) Phosphate Composition<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Copper(II) Ion (Cu\u00b2\u207a):<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The oxidation state of copper in <strong>copper(II) phosphate<\/strong> is <strong>+2<\/strong>, meaning each Cu ion has a charge of <strong>+2<\/strong>.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Phosphate Ion (PO\u2084\u00b3\u207b):<\/strong><\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The phosphate ion is a polyatomic ion with a charge of <strong>-3<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Balancing Charges to Form a Neutral Compound<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The total charge of the compound must be neutral.<\/li>\n\n\n\n<li>Since <strong>Cu\u00b2\u207a<\/strong> has a charge of <strong>+2<\/strong>, and <strong>PO\u2084\u00b3\u207b<\/strong> has a charge of <strong>-3<\/strong>, we must find the correct ratio of these ions so that the overall charge sums to zero.<\/li>\n<\/ul>\n\n\n\n<p>Using the <strong>least common multiple (LCM)<\/strong> of the charges:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The LCM of <strong>2<\/strong> (for Cu\u00b2\u207a) and <strong>3<\/strong> (for PO\u2084\u00b3\u207b) is <strong>6<\/strong>.<\/li>\n\n\n\n<li>To balance, we need <strong>3 Cu\u00b2\u207a<\/strong> ions (which gives a total charge of <strong>+6<\/strong>) and <strong>2 PO\u2084\u00b3\u207b<\/strong> ions (which gives a total charge of <strong>-6<\/strong>).<\/li>\n\n\n\n<li><strong>Thus, the chemical formula of copper(II) phosphate is Cu\u2083(PO\u2084)\u2082.<\/strong><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Why the Other Options Are Incorrect<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A) Cu\u2082P:<\/strong><\/li>\n\n\n\n<li>Phosphorus alone (P) is not a phosphate ion (PO\u2084\u00b3\u207b), and Cu\u2082P would imply a different compound (copper(I) phosphide).<\/li>\n\n\n\n<li><strong>B) Cu\u2082PO\u2084:<\/strong><\/li>\n\n\n\n<li>The charge balance does not work: Cu\u2082 (2 \u00d7 +2 = +4) does not balance with PO\u2084\u00b3\u207b (-3 charge).<\/li>\n\n\n\n<li><strong>C) Cu\u2083P\u2082:<\/strong><\/li>\n\n\n\n<li>This formula represents <strong>copper phosphide<\/strong>, not copper(II) phosphate.<\/li>\n<\/ul>\n\n\n\n<p>Thus, <strong>D) Cu\u2083(PO\u2084)\u2082 is the correct answer.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is the chemical formula for copper(II) phosphate? A) Cu2PB) Cu2PO4C) Cu3P2D) Cu3(PO4)2 The correct answer and explanation is : The correct answer is: D) Cu\u2083(PO\u2084)\u2082 Explanation: Understanding Copper(II) Phosphate Composition Balancing Charges to Form a Neutral Compound Using the least common multiple (LCM) of the charges: Why the Other Options Are Incorrect Thus, D) [&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-199226","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/199226","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=199226"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/199226\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=199226"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=199226"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=199226"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}