{"id":28909,"date":"2025-06-20T17:15:18","date_gmt":"2025-06-20T17:15:18","guid":{"rendered":"https:\/\/gaviki.com\/blog\/?p=28909"},"modified":"2025-06-20T17:15:21","modified_gmt":"2025-06-20T17:15:21","slug":"how-many-of-the-following-compounds-are-insoluble-in-water","status":"publish","type":"post","link":"https:\/\/gaviki.com\/blog\/how-many-of-the-following-compounds-are-insoluble-in-water\/","title":{"rendered":"How many of the following compounds are insoluble in water"},"content":{"rendered":"\n<p>How many of the following compounds are insoluble in water? NaC2H3O2 , SrSO4, SrS, AlPO4<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-cyan-blue-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>To determine how many of the following compounds are <strong>insoluble in water<\/strong>, evaluate each compound using standard solubility rules.<\/p>\n\n\n\n<p><strong>Given compounds<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>NaC\u2082H\u2083O\u2082 (Sodium acetate)<\/strong><\/li>\n\n\n\n<li><strong>SrSO\u2084 (Strontium sulfate)<\/strong><\/li>\n\n\n\n<li><strong>SrS (Strontium sulfide)<\/strong><\/li>\n\n\n\n<li><strong>AlPO\u2084 (Aluminum phosphate)<\/strong><\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>NaC\u2082H\u2083O\u2082 (Sodium acetate)<\/strong><\/h3>\n\n\n\n<p><strong>Solubility<\/strong>: <strong>Soluble<\/strong><br>Explanation: All salts containing <strong>alkali metals<\/strong> (like sodium) and <strong>acetates<\/strong> (C\u2082H\u2083O\u2082\u207b) are soluble in water. Sodium acetate dissolves readily.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>SrSO\u2084 (Strontium sulfate)<\/strong><\/h3>\n\n\n\n<p><strong>Solubility<\/strong>: <strong>Insoluble (slightly)<\/strong><br>Explanation: Most <strong>sulfates<\/strong> are soluble, but exceptions include sulfates of <strong>Ba\u00b2\u207a<\/strong>, <strong>Pb\u00b2\u207a<\/strong>, <strong>Hg\u2082\u00b2\u207a<\/strong>, and <strong>Sr\u00b2\u207a<\/strong>. Strontium sulfate is <strong>only sparingly soluble<\/strong>, often considered <strong>insoluble<\/strong> in qualitative terms.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>SrS (Strontium sulfide)<\/strong><\/h3>\n\n\n\n<p><strong>Solubility<\/strong>: <strong>Soluble<\/strong><br>Explanation: <strong>Sulfides<\/strong> of group 2 elements like <strong>Sr\u00b2\u207a<\/strong> are generally <strong>soluble<\/strong> in water due to their ability to produce basic solutions by forming hydroxides (Sr\u00b2\u207a + S\u00b2\u207b \u2192 Sr(OH)\u2082). While some sulfides are insoluble, SrS is <strong>considered soluble<\/strong> in water.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>AlPO\u2084 (Aluminum phosphate)<\/strong><\/h3>\n\n\n\n<p><strong>Solubility<\/strong>: <strong>Insoluble<\/strong><br>Explanation: Most <strong>phosphates<\/strong> are <strong>insoluble<\/strong> in water, especially those not involving alkali metals or ammonium. Aluminum phosphate falls into this category and does not dissolve readily in water.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Final Tally:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Insoluble Compounds<\/strong>: <strong>SrSO\u2084<\/strong>, <strong>AlPO\u2084<\/strong><\/li>\n\n\n\n<li><strong>Soluble Compounds<\/strong>: <strong>NaC\u2082H\u2083O\u2082<\/strong>, <strong>SrS<\/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>Correct Answer<\/strong>: <strong>2 compounds are insoluble in water<\/strong><\/h3>\n\n\n\n<p>These are <strong>SrSO\u2084<\/strong> and <strong>AlPO\u2084<\/strong>. Their low solubility arises from the poor ability of water to overcome the strong ionic bonds present in these specific salts.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"852\" height=\"1024\" src=\"https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-272.jpeg\" alt=\"\" class=\"wp-image-28911\" srcset=\"https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-272.jpeg 852w, https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-272-250x300.jpeg 250w, https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-272-768x923.jpeg 768w\" sizes=\"auto, (max-width: 852px) 100vw, 852px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>How many of the following compounds are insoluble in water? NaC2H3O2 , SrSO4, SrS, AlPO4 The Correct Answer and Explanation is: To determine how many of the following compounds are insoluble in water, evaluate each compound using standard solubility rules. Given compounds: 1. NaC\u2082H\u2083O\u2082 (Sodium acetate) Solubility: SolubleExplanation: All salts containing alkali metals (like sodium) [&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-28909","post","type-post","status-publish","format-standard","hentry","category-quiz-questions"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/28909","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=28909"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/28909\/revisions"}],"predecessor-version":[{"id":28912,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/28909\/revisions\/28912"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=28909"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=28909"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=28909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}