{"id":15654,"date":"2025-06-10T09:59:47","date_gmt":"2025-06-10T09:59:47","guid":{"rendered":"https:\/\/gaviki.com\/blog\/?p=15654"},"modified":"2025-06-10T09:59:49","modified_gmt":"2025-06-10T09:59:49","slug":"draw-the-lewis-structure-of-the-following-compound-k2co3-and-select-how-many-covalent-double-bonds-it-has-and-how-many-non-bonding-electrons-c","status":"publish","type":"post","link":"https:\/\/gaviki.com\/blog\/draw-the-lewis-structure-of-the-following-compound-k2co3-and-select-how-many-covalent-double-bonds-it-has-and-how-many-non-bonding-electrons-c\/","title":{"rendered":"Draw the Lewis structure of the following compound K2CO3 and select how many covalent double bonds it has and how many non-bonding electrons C"},"content":{"rendered":"\n<p>Draw the Lewis structure of the following compound K2CO3 and select how many covalent double bonds it has and how many non-bonding electrons C.<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\"><strong>The correct answer and explanation is:<\/strong><\/mark><\/p>\n\n\n\n<p><strong>Correct Answer:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Number of covalent double bonds:<\/strong> <strong>1<\/strong><\/li>\n\n\n\n<li><strong>Number of non-bonding electrons on carbon (C):<\/strong> <strong>0<\/strong><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Lewis Structure and Explanation (Approx. 300 words)<\/strong><\/h3>\n\n\n\n<p><strong>Potassium carbonate (K\u2082CO\u2083)<\/strong> is an ionic compound composed of <strong>two potassium ions (K\u207a)<\/strong> and a <strong>carbonate ion (CO\u2083\u00b2\u207b)<\/strong>. To draw the Lewis structure and analyze the bonding, focus on the <strong>carbonate ion (CO\u2083\u00b2\u207b)<\/strong>, since potassium is a metal that donates electrons and does not form covalent bonds in this compound.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 1: Count total valence electrons<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Carbon (C): 4 valence electrons<\/li>\n\n\n\n<li>Oxygen (O): 6 valence electrons \u00d7 3 = 18<\/li>\n\n\n\n<li>Total = 4 + 18 = 22<\/li>\n\n\n\n<li>Add 2 more electrons for the 2\u207b charge: <strong>22 + 2 = 24 valence electrons<\/strong><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 2: Build the skeletal structure<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Place carbon in the center and bond it to the three oxygen atoms.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 3: Distribute electrons<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Initially assign single bonds between carbon and each oxygen (3 bonds = 6 electrons).<\/li>\n\n\n\n<li>Place lone pairs on each oxygen to complete octets.<\/li>\n\n\n\n<li>You&#8217;ll find that you exceed the number of valence electrons, so <strong>a double bond<\/strong> is needed to satisfy the octet rule without adding extra electrons.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Step 4: Final structure<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>One oxygen will form a <strong>double bond<\/strong> with carbon.<\/li>\n\n\n\n<li>The other two oxygens will each have a <strong>single bond<\/strong> and carry a <strong>negative charge<\/strong>.<\/li>\n\n\n\n<li>All atoms (including carbon) now obey the octet rule.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Covalent double bonds and non-bonding electrons on carbon<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The carbon atom forms <strong>three sigma bonds<\/strong> (two single, one double) and <strong>one pi bond<\/strong> (in the double bond).<\/li>\n\n\n\n<li>Carbon has <strong>no lone pairs (non-bonding electrons)<\/strong> because it uses all 4 valence electrons in bonding.<\/li>\n\n\n\n<li><strong>One double bond<\/strong> is present in the carbonate ion.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Resonance<\/strong><\/h4>\n\n\n\n<p>There are <strong>three resonance structures<\/strong> of CO\u2083\u00b2\u207b where the double bond rotates among the three oxygen atoms, but each still has <strong>only one double bond at a time<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Summary:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Double bonds:<\/strong> 1<\/li>\n\n\n\n<li><strong>Non-bonding electrons on C:<\/strong> 0<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Draw the Lewis structure of the following compound K2CO3 and select how many covalent double bonds it has and how many non-bonding electrons C. The correct answer and explanation is: Correct Answer: Lewis Structure and Explanation (Approx. 300 words) Potassium carbonate (K\u2082CO\u2083) is an ionic compound composed of two potassium ions (K\u207a) and a carbonate [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-15654","post","type-post","status-publish","format-standard","hentry","category-quiz-questions"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/15654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/comments?post=15654"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/15654\/revisions"}],"predecessor-version":[{"id":15655,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/15654\/revisions\/15655"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=15654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=15654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=15654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}