{"id":248409,"date":"2025-07-08T10:56:30","date_gmt":"2025-07-08T10:56:30","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=248409"},"modified":"2025-07-08T10:56:33","modified_gmt":"2025-07-08T10:56:33","slug":"the-formula-for-copperii-phosphate-is","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/08\/the-formula-for-copperii-phosphate-is\/","title":{"rendered":"The formula for copper(II) phosphate is"},"content":{"rendered":"\n<p>The formula for copper(II) phosphate is A. CuPO4. B. Cu2(PO4)3. C. Cu2(PO4)3. D. Cu3(PO4)2. E. Cu3(PO4)2.<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>The correct formula for copper(II) phosphate is <strong>D. Cu3(PO4)2<\/strong>.<\/p>\n\n\n\n<p>Here&#8217;s an explanation of how to derive this:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Copper(II) ion<\/strong>: The &#8220;(II)&#8221; in copper(II) indicates that the copper ion has a <strong>+2<\/strong> charge. This is essential when balancing the charge in the formula.<\/li>\n\n\n\n<li><strong>Phosphate ion<\/strong>: The phosphate ion is denoted as <strong>PO4^3-<\/strong>, which carries a <strong>-3<\/strong> charge.<\/li>\n\n\n\n<li><strong>Balancing the charges<\/strong>: To form a neutral compound, the total positive charge must balance the total negative charge. Therefore, the number of copper(II) ions (Cu^2+) and phosphate ions (PO4^3-) must be chosen so that the total positive charge equals the total negative charge.<ul><li>Each Cu^2+ has a <strong>+2<\/strong> charge.<\/li><li>Each PO4^3- has a <strong>-3<\/strong> charge.<\/li><\/ul>If we use 3 copper ions (Cu^2+), their combined charge will be <strong>3 \u00d7 (+2) = +6<\/strong>. To balance this, we need 2 phosphate ions (PO4^3-), as their combined charge will be <strong>2 \u00d7 (-3) = -6<\/strong>.<\/li>\n\n\n\n<li><strong>Writing the formula<\/strong>: Therefore, the formula for copper(II) phosphate will be <strong>Cu3(PO4)2<\/strong>, where 3 copper ions balance the charge of 2 phosphate ions.<\/li>\n<\/ol>\n\n\n\n<p>This is the neutral compound&#8217;s simplest formula, ensuring the charges are perfectly balanced, and hence, the correct option is <strong>D. Cu3(PO4)2<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/07\/learnexams-banner8-224.jpeg\" alt=\"\" class=\"wp-image-248410\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>The formula for copper(II) phosphate is A. CuPO4. B. Cu2(PO4)3. C. Cu2(PO4)3. D. Cu3(PO4)2. E. Cu3(PO4)2. The Correct Answer and Explanation is: The correct formula for copper(II) phosphate is D. Cu3(PO4)2. Here&#8217;s an explanation of how to derive this: This is the neutral compound&#8217;s simplest formula, ensuring the charges are perfectly balanced, and hence, the [&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-248409","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/248409","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=248409"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/248409\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=248409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=248409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=248409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}