{"id":263991,"date":"2025-07-21T10:29:44","date_gmt":"2025-07-21T10:29:44","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=263991"},"modified":"2025-07-21T10:29:46","modified_gmt":"2025-07-21T10:29:46","slug":"type-the-full-correct-name-for-the-chemical-formula-provided-correct-use-of-roman-numerals-suffixes-is-required-pbco32","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/21\/type-the-full-correct-name-for-the-chemical-formula-provided-correct-use-of-roman-numerals-suffixes-is-required-pbco32\/","title":{"rendered":"Type the full, correct name for the chemical formula provided, Correct use of Roman numerals &amp; suffixes is required, Pb(CO3)2"},"content":{"rendered":"\n<p>Type the full, correct name for the chemical formula provided, Correct use of Roman numerals &amp; suffixes is required, Pb(CO3)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 name for the chemical formula <strong>Pb(CO\u2083)\u2082<\/strong> is <strong>Lead(IV) carbonate<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Pb<\/strong> stands for <strong>Lead<\/strong>. Lead can have multiple oxidation states, commonly +2 and +4. To determine the correct oxidation state of lead in this compound, we need to consider the carbonate ion, <strong>CO\u2083\u00b2\u207b<\/strong>, which has a charge of -2.<\/li>\n\n\n\n<li>There are two <strong>carbonate ions<\/strong> in the compound, meaning the total negative charge from the carbonate ions is <strong>2 \u00d7 -2 = -4<\/strong>.<\/li>\n\n\n\n<li>To balance this charge, lead must have a positive charge of <strong>+4<\/strong>, which gives us <strong>Pb(IV)<\/strong>. This is why Roman numerals are used to indicate the oxidation state of lead.<\/li>\n\n\n\n<li>The suffix <strong>-ate<\/strong> is used when naming the anion <strong>carbonate<\/strong> (CO\u2083\u00b2\u207b). The suffix <strong>-ate<\/strong> is typically used for polyatomic ions that contain oxygen, such as carbonate, sulfate, nitrate, etc.<\/li>\n\n\n\n<li>Therefore, the full name of the compound is <strong>Lead(IV) carbonate<\/strong>, where:\n<ul class=\"wp-block-list\">\n<li><strong>Lead<\/strong> refers to the metal.<\/li>\n\n\n\n<li><strong>(IV)<\/strong> indicates the oxidation state of lead, which is +4.<\/li>\n\n\n\n<li><strong>Carbonate<\/strong> refers to the polyatomic anion.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>This naming system follows the <strong>IUPAC (International Union of Pure and Applied Chemistry)<\/strong> rules, where Roman numerals are used to denote the oxidation states of transition metals and metals with multiple possible oxidation states. In this case, lead can exist as <strong>Pb(II)<\/strong> (Lead(II)) or <strong>Pb(IV)<\/strong> (Lead(IV)), and the correct oxidation state is determined by the other ions present in the compound.<\/p>\n\n\n\n<p>The formula <strong>Pb(CO\u2083)\u2082<\/strong> implies that lead is in the +4 oxidation state, which is why it is named <strong>Lead(IV) carbonate<\/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-banner6-1356.jpeg\" alt=\"\" class=\"wp-image-263993\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Type the full, correct name for the chemical formula provided, Correct use of Roman numerals &amp; suffixes is required, Pb(CO3)2 The Correct Answer and Explanation is: The correct name for the chemical formula Pb(CO\u2083)\u2082 is Lead(IV) carbonate. Explanation: This naming system follows the IUPAC (International Union of Pure and Applied Chemistry) rules, where Roman numerals [&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-263991","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/263991","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=263991"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/263991\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=263991"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=263991"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=263991"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}