{"id":226985,"date":"2025-06-05T17:48:21","date_gmt":"2025-06-05T17:48:21","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=226985"},"modified":"2025-06-05T17:48:23","modified_gmt":"2025-06-05T17:48:23","slug":"draw-the-lewis-structure-for-a-dinitride2-ion-n22-2","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/06\/05\/draw-the-lewis-structure-for-a-dinitride2-ion-n22-2\/","title":{"rendered":"Draw the Lewis structure for a dinitride(2-) ion N2^2-."},"content":{"rendered":"\n

Draw the Lewis structure for a dinitride(2-) ion N2^2-.<\/p>\n\n\n\n

The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n

Correct Lewis Structure for Dinitride Ion (N\u2082\u00b2\u207b):<\/strong><\/h3>\n\n\n\n

The dinitride ion (N\u2082\u00b2\u207b) consists of two nitrogen atoms (N) and carries a 2\u2212 charge<\/strong>. The correct Lewis structure is:<\/p>\n\n\n\n

mathematicaCopyEdit:\u207bN\u2261N\u207b:\n<\/code><\/pre>\n\n\n\n
Structure Explanation:<\/h3>\n\n\n\n
    \n
  • A triple bond<\/strong> connects the two nitrogen atoms.<\/li>\n\n\n\n
  • Each nitrogen has one lone pair<\/strong>.<\/li>\n\n\n\n
  • The extra 2\u2212 charge is distributed as one negative charge per nitrogen atom<\/strong>, often shown as one lone pair with a negative formal charge on each N.<\/li>\n<\/ul>\n\n\n\n
    \n\n\n\n
    Explanation:<\/strong><\/h3>\n\n\n\n
    The Lewis structure of a molecule or ion shows how valence electrons are arranged among the atoms. For the dinitride ion, N\u2082\u00b2\u207b, we begin by calculating the total number of valence electrons.<\/p>\n\n\n\n
      \n
    • Each nitrogen atom contributes 5 valence electrons<\/strong>, and the ion has an extra 2 electrons<\/strong> due to the 2\u2212 charge.<\/li>\n\n\n\n
    • Total electrons:
      5 (from N) + 5 (from N) + 2 (extra) = 12 valence electrons<\/strong>.<\/li>\n<\/ul>\n\n\n\n
      Now we determine how to arrange these electrons between the two nitrogen atoms.<\/p>\n\n\n\n
      To satisfy the octet rule, each nitrogen atom should ideally have 8 electrons around it (bonding + non-bonding). The most stable structure for N\u2082\u00b2\u207b is one with a triple bond<\/strong> between the nitrogen atoms:<\/p>\n\n\n\n
        \n
      • Three shared pairs (6 electrons) form the triple bond.<\/li>\n\n\n\n
      • The remaining 6 electrons are distributed as 3 lone pairs<\/strong>: one on each nitrogen atom (2 electrons each), and one more on each nitrogen to reflect the negative charges (for a total of 4 non-bonded electrons per N).<\/li>\n<\/ul>\n\n\n\n
        This configuration ensures:<\/p>\n\n\n\n
          \n
        • Each N has a full octet: 3 bonds (6 electrons) + 1 lone pair (2 electrons) = 8 electrons.<\/li>\n\n\n\n
        • The formal charge on each N is \u22121, resulting in a total charge of \u22122 for the ion.<\/li>\n<\/ul>\n\n\n\n
          Thus, the Lewis structure is :\u207bN\u2261N\u207b:<\/strong>, with one lone pair and a \u22121 formal charge on each nitrogen, and a triple bond between them. This structure reflects correct bonding, full octets, and the appropriate total charge.<\/p>\n\n\n\n
          \"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"
          Draw the Lewis structure for a dinitride(2-) ion N2^2-. The Correct Answer and Explanation is: Correct Lewis Structure for Dinitride Ion (N\u2082\u00b2\u207b): The dinitride ion (N\u2082\u00b2\u207b) consists of two nitrogen atoms (N) and carries a 2\u2212 charge. The correct Lewis structure is: mathematicaCopyEdit:\u207bN\u2261N\u207b: Structure Explanation: Explanation: The Lewis structure of a molecule or ion shows […]<\/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-226985","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/226985","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=226985"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/226985\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=226985"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=226985"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=226985"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}