{"id":149974,"date":"2022-03-21T10:56:55","date_gmt":"2022-03-21T05:26:55","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/fehling-solution-introduction-procedure-and-application\/"},"modified":"2024-12-13T18:09:02","modified_gmt":"2024-12-13T12:39:02","slug":"fehling-solution-introduction-procedure-and-application","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-solution\/","title":{"rendered":"Fehling Solution &#8211; Introduction, Procedure,  and Application"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_37 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" style=\"display: none;\"><label for=\"item\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input type=\"checkbox\" id=\"item\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' style='display:block'><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-solution\/#Fehlings_Test\" title=\"Fehling\u2019s Test\">Fehling\u2019s Test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-solution\/#Procedure_of_Fehlings_Test\" title=\"Procedure of Fehling\u2019s Test\">Procedure of Fehling\u2019s Test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-solution\/#Reaction_Of_The_Fehling_Test\" title=\"Reaction Of The Fehling Test\">Reaction Of The Fehling Test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-solution\/#Application_of_Fehlings_Test_or_Fehlings_solution\" title=\"Application of Fehling\u2019s Test or Fehling\u2019s solution\">Application of Fehling\u2019s Test or Fehling\u2019s solution<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Fehlings_Test\"><\/span>Fehling\u2019s Test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The <a href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-solution\/\">Fehling\u2019s test<\/a> is a diagnostic test used to detect the presence of reducing sugars in a sample. The test utilizes two solutions: a copper sulfate solution and a sodium hydroxide solution. The copper sulfate solution is a blue color and the sodium hydroxide solution is a yellow color. When a reducing sugar is present in a sample, it will react with the copper sulfate solution to produce a red color. The presence of a red color in the test solution indicates the presence of a reducing sugar.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-149973 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/fehling-solution-introduction-procedure-and-application.jpg\" alt=\"Fehling Solution - Introduction, Procedure, and Application\" width=\"606\" height=\"428\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/fehling-solution-introduction-procedure-and-application.jpg?v=1647840411 606w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/fehling-solution-introduction-procedure-and-application-300x212.jpg?v=1647840411 300w\" sizes=\"(max-width: 606px) 100vw, 606px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Procedure_of_Fehlings_Test\"><\/span>Procedure of Fehling\u2019s Test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The Fehling\u2019s Test procedure is as follows:<\/p>\n<ol>\n<li>A Fehling\u2019s solution prepared by dissolving copper sulfate (CuSO 4 ) and sodium hydroxide (NaOH) in water.<\/li>\n<li>A sugar solution prepared by dissolving sucrose (C 12 H 22 O 11 ) in water.<\/li>\n<li>A test tube filled with the Fehling\u2019s solution.<\/li>\n<li>The test tube then filled with the sugar solution.<\/li>\n<li>Test tube then heated until the sugar solution boils.<\/li>\n<li>The test tube then allowed to cool.<\/li>\n<li>The presence of copper in the sugar solution then observed.<\/li>\n<\/ol>\n<p>If copper is present in the sugar solution, it will form a blue precipitate.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Reaction_Of_The_Fehling_Test\"><\/span>Reaction Of The Fehling Test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The Fehling test is used to determine the presence of aldehydes and ketones. A solution of copper (II) sulfate and sodium hydroxide added to a test tube. The tube then heated. If aldehydes or ketones are present, they will react with the copper (II) sulfate and sodium hydroxide to form a red precipitate.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Application_of_Fehlings_Test_or_Fehlings_solution\"><\/span>Application of Fehling\u2019s Test or Fehling\u2019s solution<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>A test for the presence of reducing sugars, specifically glucose, in aqueous solutions.<\/li>\n<li>Solutions containing reducing sugars will turn a deep red-brown in the presence of copper(II) sulfate (CuSO4) and sodium potassium tartrate (Na2C4H4O6), which are the reagents in Fehling\u2019s solution.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Fehling\u2019s Test The Fehling\u2019s test is a diagnostic test used to detect the presence of reducing sugars in a sample. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"Fehling Solution","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Learn Fehling Solution topic of Chemistry in details explained by subject experts on infinitylearn.com. Register free for online session.","custom_permalink":"chemistry\/fehling-solution\/"},"categories":[1],"tags":[],"table_tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fehling Solution - Introduction, Procedure, and Application - Infinity Learn by Sri Chaitanya<\/title>\n<meta name=\"description\" content=\"Learn Fehling Solution topic of Chemistry in details explained by subject experts on infinitylearn.com. 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