{"id":26000,"date":"2025-06-19T09:04:56","date_gmt":"2025-06-19T09:04:56","guid":{"rendered":"https:\/\/gaviki.com\/blog\/?p=26000"},"modified":"2025-06-19T09:05:00","modified_gmt":"2025-06-19T09:05:00","slug":"is-cacl2-nh42co3-a%e2%80%a0-caco3-2nh4cl-a-precipitation-reaction-2","status":"publish","type":"post","link":"https:\/\/gaviki.com\/blog\/is-cacl2-nh42co3-a%e2%80%a0-caco3-2nh4cl-a-precipitation-reaction-2\/","title":{"rendered":"Is CaCl2 + (NH4)2CO3 \u00e2\u2020\u2019 CaCO3 + 2NH4Cl a precipitation reaction"},"content":{"rendered":"\n<p>Is CaCl2 + (NH4)2CO3 \u00e2\u2020\u2019 CaCO3 + 2NH4Cl a precipitation reaction<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-green-cyan-color\">The Correct Answer and Explanation is:<\/mark><\/p>\n\n\n\n<p><strong>Correct Answer: Yes, the reaction CaCl\u2082 + (NH\u2084)\u2082CO\u2083 \u2192 CaCO\u2083 + 2NH\u2084Cl is a precipitation reaction.<\/strong><\/p>\n\n\n\n<p><strong>Explanation:<\/strong><\/p>\n\n\n\n<p>A <strong>precipitation reaction<\/strong> occurs when two aqueous solutions react to form an <strong>insoluble solid<\/strong>, known as a <strong>precipitate<\/strong>. These reactions are a type of double displacement reaction, where the cations and anions of the reactants switch places to form new compounds.<\/p>\n\n\n\n<p>In the given reaction:<\/p>\n\n\n\n<p><strong>Reactants:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CaCl\u2082 (calcium chloride)<\/strong> is soluble in water and dissociates into Ca\u00b2\u207a and Cl\u207b ions.<\/li>\n\n\n\n<li><strong>(NH\u2084)\u2082CO\u2083 (ammonium carbonate)<\/strong> is also soluble in water and dissociates into NH\u2084\u207a and CO\u2083\u00b2\u207b ions.<\/li>\n<\/ul>\n\n\n\n<p>When these solutions are mixed, calcium ions (Ca\u00b2\u207a) from calcium chloride combine with carbonate ions (CO\u2083\u00b2\u207b) from ammonium carbonate to form <strong>calcium carbonate (CaCO\u2083)<\/strong>. Calcium carbonate is <strong>insoluble in water<\/strong>, so it forms a <strong>white solid precipitate<\/strong> and settles out of the solution.<\/p>\n\n\n\n<p>The other product is <strong>ammonium chloride (NH\u2084Cl)<\/strong>, which is <strong>soluble in water<\/strong> and remains in the aqueous phase.<\/p>\n\n\n\n<p>So, the reaction:<br><strong>CaCl\u2082(aq) + (NH\u2084)\u2082CO\u2083(aq) \u2192 CaCO\u2083(s) + 2NH\u2084Cl(aq)<\/strong><br>fits the definition of a precipitation reaction because it results in the formation of <strong>CaCO\u2083<\/strong>, an insoluble solid.<\/p>\n\n\n\n<p><strong>Net Ionic Equation:<\/strong><br>Ca\u00b2\u207a(aq) + CO\u2083\u00b2\u207b(aq) \u2192 CaCO\u2083(s)<\/p>\n\n\n\n<p>This simplified version highlights the formation of the precipitate and removes the spectator ions (NH\u2084\u207a and Cl\u207b), which do not participate in the formation of the solid.<\/p>\n\n\n\n<p>In conclusion, the formation of insoluble calcium carbonate from two soluble ionic compounds makes this a clear example of a precipitation reaction.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"722\" height=\"1024\" src=\"https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner10-35.jpeg\" alt=\"\" class=\"wp-image-26001\" srcset=\"https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner10-35.jpeg 722w, https:\/\/gaviki.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner10-35-212x300.jpeg 212w\" sizes=\"auto, (max-width: 722px) 100vw, 722px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Is CaCl2 + (NH4)2CO3 \u00e2\u2020\u2019 CaCO3 + 2NH4Cl a precipitation reaction The Correct Answer and Explanation is: Correct Answer: Yes, the reaction CaCl\u2082 + (NH\u2084)\u2082CO\u2083 \u2192 CaCO\u2083 + 2NH\u2084Cl is a precipitation reaction. Explanation: A precipitation reaction occurs when two aqueous solutions react to form an insoluble solid, known as a precipitate. These reactions are [&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-26000","post","type-post","status-publish","format-standard","hentry","category-quiz-questions"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/26000","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=26000"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/26000\/revisions"}],"predecessor-version":[{"id":26002,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/26000\/revisions\/26002"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=26000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=26000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=26000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}