{"id":248441,"date":"2025-07-08T11:14:24","date_gmt":"2025-07-08T11:14:24","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=248441"},"modified":"2025-07-08T11:14:26","modified_gmt":"2025-07-08T11:14:26","slug":"the-formula-for-copperii-phosphate-is-2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/08\/the-formula-for-copperii-phosphate-is-2\/","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<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>Copper(II) phosphate is a compound that consists of copper in the +2 oxidation state and the phosphate ion, PO4^3-. The Roman numeral II in copper(II) indicates that copper has a +2 charge. The phosphate ion (PO4) has a -3 charge. To balance the charges between copper and phosphate, we need to combine copper and phosphate ions in a way that the overall charge of the compound is neutral.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Copper ion (Cu\u00b2\u207a):<\/strong> Each copper ion carries a +2 charge.<\/li>\n\n\n\n<li><strong>Phosphate ion (PO\u2084\u00b3\u207b):<\/strong> Each phosphate ion carries a -3 charge.<\/li>\n<\/ol>\n\n\n\n<p>To balance the charges:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Three copper ions (3 \u00d7 +2 = +6 charge) will balance two phosphate ions (2 \u00d7 -3 = -6 charge).<\/li>\n\n\n\n<li>This results in the neutral compound, Cu3(PO4)2.<\/li>\n<\/ul>\n\n\n\n<p>Thus, the correct formula is <strong>Cu3(PO4)2<\/strong>, meaning there are three copper ions for every two phosphate ions in the compound.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Why the other options are incorrect:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A. CuPO4:<\/strong> This formula suggests one copper ion (Cu\u00b2\u207a) with one phosphate ion (PO\u2084\u00b3\u207b), but the charges do not balance because +2 and -3 cannot form a neutral compound in a 1:1 ratio.<\/li>\n\n\n\n<li><strong>B. Cu2(PO4)3:<\/strong> This formula implies that two copper ions would balance three phosphate ions. This would result in a total charge of +4 from copper and -9 from phosphate, which is unbalanced.<\/li>\n\n\n\n<li><strong>C. Cu2(PO4)3 (duplicate of B).<\/strong> Same as option B, incorrect for the same reason.<\/li>\n\n\n\n<li><strong>E. Cu3(PO4)2 (same as D).<\/strong> This is the correct answer, already explained above.<\/li>\n<\/ul>\n\n\n\n<p>Therefore, the answer 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-banner8-233.jpeg\" alt=\"\" class=\"wp-image-248442\"\/><\/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. Explanation: Copper(II) phosphate is a compound that consists of copper in the +2 oxidation state and the phosphate ion, PO4^3-. The Roman numeral II [&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-248441","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/248441","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=248441"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/248441\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=248441"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=248441"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=248441"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}