{"id":167240,"date":"2024-11-15T08:42:29","date_gmt":"2024-11-15T08:42:29","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=167240"},"modified":"2024-11-15T08:42:32","modified_gmt":"2024-11-15T08:42:32","slug":"what-is-1-125-as-a-fraction","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/11\/15\/what-is-1-125-as-a-fraction\/","title":{"rendered":"What is 1.125 as a fraction"},"content":{"rendered":"\n<p>What is 1.125 as a fraction<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>To systematically name the given coordination compounds, we need to follow a specific set of naming conventions for coordination compounds that is established by the International Union of Pure and Applied Chemistry (IUPAC). Here&#8217;s the breakdown for each compound:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(a) <strong>K[Pt(NH\u2083)Cl\u2085]<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>K<\/strong> stands for potassium, a cation.<\/li>\n\n\n\n<li>The complex ion is <strong>[Pt(NH\u2083)Cl\u2085]<\/strong>.<\/li>\n\n\n\n<li>Platinum (Pt) is the central metal.<\/li>\n\n\n\n<li>The ligands around platinum are 5 chloride ions (Cl) and 1 ammonia molecule (NH\u2083).<\/li>\n<\/ul>\n\n\n\n<p><strong>Step 1<\/strong>: Start with the ligands. Ammonia (NH\u2083) is neutral, and chloride (Cl) is a negatively charged ligand.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The prefix for 5 chloride ligands is &#8220;pentachloro.&#8221;<\/li>\n\n\n\n<li>&#8220;Ammonia&#8221; is used as is for NH\u2083, because it is a neutral ligand.<\/li>\n<\/ul>\n\n\n\n<p><strong>Step 2<\/strong>: Name the central metal. Since platinum is in the +2 oxidation state in this complex (based on the overall charge balance), we use &#8220;platinum(II).&#8221;<\/p>\n\n\n\n<p><strong>Step 3<\/strong>: Name the complex ion. The overall complex cation is <strong>[Pt(NH\u2083)Cl\u2085]\u00b2\u207a<\/strong>.<\/p>\n\n\n\n<p><strong>Systematic Name<\/strong>: Potassium pentachloridoammineplatinum(II).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(b) <strong>[Cu(en)(NH\u2083)\u2082][Co(en)Cl\u2084]<\/strong><\/h3>\n\n\n\n<p>This compound consists of two coordination complexes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>[Cu(en)(NH\u2083)\u2082]<\/strong>: This is a copper(II) complex with two ammonia molecules and one ethylenediamine (en) ligand.<\/li>\n\n\n\n<li><strong>[Co(en)Cl\u2084]<\/strong>: This is a cobalt(III) complex with four chloride ions and one ethylenediamine ligand.<\/li>\n<\/ul>\n\n\n\n<p><strong>Step 1<\/strong>: Name the ligands.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&#8220;en&#8221; is ethylenediamine, which is a bidentate ligand.<\/li>\n\n\n\n<li>Ammonia (NH\u2083) is a neutral ligand.<\/li>\n\n\n\n<li>Chloride (Cl) is a monoanionic ligand.<\/li>\n<\/ul>\n\n\n\n<p><strong>Step 2<\/strong>: Name the central metals.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Copper is in the +2 oxidation state in the first complex, so it is named as &#8220;copper(II).&#8221;<\/li>\n\n\n\n<li>Cobalt is in the +3 oxidation state in the second complex, so it is named as &#8220;cobalt(III).&#8221;<\/li>\n<\/ul>\n\n\n\n<p><strong>Step 3<\/strong>: Name the complexes.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For the copper complex: The ethylenediamine is the first ligand in the alphabetically ordered name, followed by ammonia. The copper oxidation state is in parentheses.<\/li>\n\n\n\n<li>For the cobalt complex: Ethylenediamine comes first, followed by chloride. The cobalt oxidation state is also in parentheses.<\/li>\n<\/ul>\n\n\n\n<p><strong>Systematic Name<\/strong>: Diammineethylenediaminecopper(II) tetrachloroethylenediaminecobalt(III).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">(c) <strong><a href=\"ClO\u2084\">Pt(en)\u2082Br\u2082<\/a>\u2082<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>[Pt(en)\u2082Br\u2082]<\/strong> is a platinum(II) complex with two ethylenediamine ligands and two bromide ions.<\/li>\n\n\n\n<li><strong>(ClO\u2084)\u2082<\/strong> indicates two perchlorate counterions.<\/li>\n<\/ul>\n\n\n\n<p><strong>Step 1<\/strong>: Name the ligands.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ethylenediamine (en) is a bidentate ligand.<\/li>\n\n\n\n<li>Bromide (Br) is a monoanionic ligand.<\/li>\n<\/ul>\n\n\n\n<p><strong>Step 2<\/strong>: Name the central metal.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Platinum (Pt) is in the +2 oxidation state, so it is &#8220;platinum(II).&#8221;<\/li>\n<\/ul>\n\n\n\n<p><strong>Step 3<\/strong>: Name the complex.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The ethylenediamine ligands are named first, followed by bromide.<\/li>\n\n\n\n<li>The platinum oxidation state is placed in parentheses.<\/li>\n<\/ul>\n\n\n\n<p><strong>Systematic Name<\/strong>: Bis(ethylenediamine)dibromidoplatinum(II) perchlorate.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Summary of Systematic Names:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>K[Pt(NH\u2083)Cl\u2085]<\/strong>: Potassium pentachloridoammineplatinum(II)<\/li>\n\n\n\n<li><strong>[Cu(en)(NH\u2083)\u2082][Co(en)Cl\u2084]<\/strong>: Diammineethylenediaminecopper(II) tetrachloroethylenediaminecobalt(III)<\/li>\n\n\n\n<li><strong><a href=\"ClO\u2084\">Pt(en)\u2082Br\u2082<\/a>\u2082<\/strong>: Bis(ethylenediamine)dibromidoplatinum(II) perchlorate<\/li>\n<\/ol>\n\n\n\n<p>These names are derived from the IUPAC rules for naming coordination compounds, which prioritize the order of ligands, oxidation states of metals, and appropriate prefixes for the number of ligands.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is 1.125 as a fraction The Correct Answer and Explanation is: To systematically name the given coordination compounds, we need to follow a specific set of naming conventions for coordination compounds that is established by the International Union of Pure and Applied Chemistry (IUPAC). Here&#8217;s the breakdown for each compound: (a) K[Pt(NH\u2083)Cl\u2085] Step 1: [&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-167240","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/167240","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=167240"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/167240\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=167240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=167240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=167240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}