{"id":133424,"date":"2023-03-04T22:12:25","date_gmt":"2023-03-04T16:42:25","guid":{"rendered":"https:\/\/www.mapsofindia.com\/my-india\/?p=133424"},"modified":"2023-03-04T22:12:25","modified_gmt":"2023-03-04T16:42:25","slug":"a-student-took-a-small-amount-of-copper-oxide-in-a-conical-flask-and","status":"publish","type":"post","link":"https:\/\/www.mapsofindia.com\/my-india\/quiz\/a-student-took-a-small-amount-of-copper-oxide-in-a-conical-flask-and","title":{"rendered":"A student took a small amount of copper oxide in a conical flask and&#8230;&#8230;&#8230;&#8230;&#8230;."},"content":{"rendered":"<h2>Question :A student took a small amount of copper oxide in a conical flask and<br \/>\nadded dilute hydrochloric acid to it with constant stirring. He observed a change in color of the solution.<br \/>\n(i) Write the name of the compound formed and its colour,<br \/>\n(ii) Write a balanced chemical equation for the reaction involved.<\/h2>\n<h3>The correct answer is -(i) When copper oxide is added to dilute hydrochloric acid, copper chloride (greenish-blue color) and water are formed. The color of the solution changes to greenish-blue.<\/h3>\n<h3>(ii) The balanced chemical equation for the reaction involved is:<\/h3>\n<h3>CuO(s) + 2HCl(aq) \u2192 CuCl2(aq) + H2O(l)<\/h3>\n<h3>Here, copper oxide (CuO) reacts with hydrochloric acid (HCl) to form copper chloride (CuCl2) and water (H2O).<\/h3>\n","protected":false},"excerpt":{"rendered":"<p>Question :A student took a small amount of copper oxide in a conical flask and added dilute hydrochloric acid to it with constant stirring. He observed a change in color of the solution. (i) Write the name of the compound formed and its colour, (ii) Write a balanced chemical equation for the reaction involved. The [&hellip;]<\/p>\n","protected":false},"author":21830,"featured_media":132233,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12119],"tags":[],"class_list":{"0":"post-133424","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-quiz"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/133424","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/users\/21830"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/comments?post=133424"}],"version-history":[{"count":2,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/133424\/revisions"}],"predecessor-version":[{"id":133426,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/posts\/133424\/revisions\/133426"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media\/132233"}],"wp:attachment":[{"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/media?parent=133424"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/categories?post=133424"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mapsofindia.com\/my-india\/wp-json\/wp\/v2\/tags?post=133424"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}