{"id":234892,"date":"2025-06-14T14:31:36","date_gmt":"2025-06-14T14:31:36","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=234892"},"modified":"2025-06-14T14:31:37","modified_gmt":"2025-06-14T14:31:37","slug":"what-is-the-name-of-the-compound-with-the-formula-bano22","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/06\/14\/what-is-the-name-of-the-compound-with-the-formula-bano22\/","title":{"rendered":"What is the name of the compound with the formula Ba(NO2)2"},"content":{"rendered":"\n<p>What is the name of the compound with the formula Ba(NO2)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><strong>Correct Answer:<\/strong> The name of the compound with the formula <strong>Ba(NO\u2082)\u2082<\/strong> is <strong>barium nitrite<\/strong>.<\/p>\n\n\n\n<p><strong>Explanation:<\/strong><\/p>\n\n\n\n<p>This compound consists of two main parts: the metal <strong>barium (Ba)<\/strong> and the polyatomic ion <strong>nitrite (NO\u2082\u207b)<\/strong>. Understanding its name involves examining each component and the rules for naming ionic compounds.<\/p>\n\n\n\n<p><strong>Barium<\/strong> is a metal located in Group 2 of the periodic table. Elements in this group are known as alkaline earth metals and typically form +2 cations. Therefore, barium forms the <strong>Ba\u00b2\u207a<\/strong> ion. Since it has a fixed charge, it does not require a Roman numeral in its name.<\/p>\n\n\n\n<p><strong>Nitrite<\/strong> is a polyatomic ion composed of one nitrogen atom and two oxygen atoms, carrying a <strong>-1 charge<\/strong>. The formula <strong>NO\u2082\u207b<\/strong> distinguishes nitrite from <strong>nitrate (NO\u2083\u207b)<\/strong>, which contains one more oxygen atom. Despite their similar structures, the names differ to reflect the oxygen content: nitrite has fewer oxygen atoms than nitrate.<\/p>\n\n\n\n<p>To form a neutral ionic compound, two nitrite ions, each with a -1 charge, combine with one barium ion, which has a +2 charge. This results in the formula <strong>Ba(NO\u2082)\u2082<\/strong>, indicating one barium ion and two nitrite ions. The subscript &#8220;2&#8221; outside the parentheses around NO\u2082 shows that two of these ions are needed for charge balance.<\/p>\n\n\n\n<p>Naming follows standard conventions for ionic compounds:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Start with the name of the cation: <strong>barium<\/strong>.<\/li>\n\n\n\n<li>Follow with the name of the anion: <strong>nitrite<\/strong> (not nitride, which would indicate a different anion entirely).<\/li>\n<\/ul>\n\n\n\n<p>No prefixes like &#8220;di-&#8221; or &#8220;tri-&#8221; are used because this is an ionic compound, and such prefixes apply only to covalent compounds.<\/p>\n\n\n\n<p>Therefore, <strong>barium nitrite<\/strong> is the correct and complete name for <strong>Ba(NO\u2082)\u2082<\/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\/06\/learnexams-banner8-521.jpeg\" alt=\"\" class=\"wp-image-234893\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>What is the name of the compound with the formula Ba(NO2)2 ? The Correct Answer and Explanation is: Correct Answer: The name of the compound with the formula Ba(NO\u2082)\u2082 is barium nitrite. Explanation: This compound consists of two main parts: the metal barium (Ba) and the polyatomic ion nitrite (NO\u2082\u207b). Understanding its name involves examining [&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-234892","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/234892","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=234892"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/234892\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=234892"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=234892"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=234892"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}