{"id":150585,"date":"2022-03-21T11:36:54","date_gmt":"2022-03-21T06:06:54","guid":{"rendered":"https:\/\/infinitylearn.com\/surge\/fehling-test-objectives-and-common-uses\/"},"modified":"2022-11-12T00:03:53","modified_gmt":"2022-11-11T18:33:53","slug":"fehling-test-objectives-and-common-uses","status":"publish","type":"post","link":"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-test\/","title":{"rendered":"Fehling Test \u2013 Objectives and Common Uses"},"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-test\/#Fehling_Test\" title=\"Fehling Test\">Fehling 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-test\/#Objectives_and_common_uses_of_the_Fehling_Test_are_available_for_a_free_download_at_Infinity_Learn\" title=\"Objectives and common uses of the Fehling Test are available for a free download at Infinity Learn\">Objectives and common uses of the Fehling Test are available for a free download at Infinity Learn<\/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-test\/#Objectives_of_the_Fehling_Test\" title=\"Objectives of the Fehling Test\">Objectives 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-test\/#The_Fehling_Solution\" title=\"The Fehling Solution\">The Fehling Solution<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-test\/#Process_of_Fehling_Test\" title=\"Process of Fehling Test\">Process of Fehling Test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-test\/#Reactions_of_Fehlings_Test\" title=\"Reactions of Fehling\u2019s Test\">Reactions 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-7\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-test\/#Common_Uses_of_Fehlings_Test\" title=\"Common Uses of Fehling\u2019s Test\">Common Uses 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-8\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-test\/#Uses_of_Fehling_Test\" title=\"Uses of Fehling Test\">Uses of Fehling Test<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-test\/#PrincipleAim_of_the_Fehling_Test\" title=\"Principle\/Aim of the Fehling Test\">Principle\/Aim of the Fehling Test<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Fehling_Test\"><\/span>Fehling Test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Fehling Test \u2013 Objectives: The <a href=\"https:\/\/infinitylearn.com\/surge\/chemistry\/fehling-test\/\">Fehling Test<\/a> is a chemical test that is used to determine the presence of reducing sugars. The test is performed by adding a drop of Benedict&#8217;s Solution to a sample of the substance being tested. If the substance contains a reducing sugar, the Benedict&#8217;s Solution will change color from blue to red.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-150584 size-full\" src=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/fehling-test-objectives-and-common-uses.jpg\" alt=\"Fehling Test \u2013 Objectives and Common Uses\" width=\"606\" height=\"428\" srcset=\"https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/fehling-test-objectives-and-common-uses.jpg?v=1647842811 606w, https:\/\/infinitylearn.com\/surge\/wp-content\/uploads\/2022\/03\/fehling-test-objectives-and-common-uses-300x212.jpg?v=1647842811 300w\" sizes=\"(max-width: 606px) 100vw, 606px\" \/><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Objectives_and_common_uses_of_the_Fehling_Test_are_available_for_a_free_download_at_Infinity_Learn\"><\/span>Objectives and common uses of the Fehling Test are available for a free download at Infinity Learn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The Fehling Test used to determine the presence of reducing sugars in a solution. The test uses copper sulfate and alkali to produce a blue-green color in the presence of reducing sugars. The intensity of the color used to determine the amount of reducing sugar in the solution.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Objectives_of_the_Fehling_Test\"><\/span>Objectives of the Fehling Test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The Fehling Test a biochemical assay used to determine the presence of reducing sugars. The assay is based on the reduction of Cu2+ to Cu+ by the reducing sugar. The Cu+ then detected by its ability to form a blue complex with the reagent Fehling A.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"The_Fehling_Solution\"><\/span>The Fehling Solution<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The Fehling Solution a chemical test used to determine the presence of reducing sugars. The solution made up of copper sulfate and sodium hydroxide. When a reducing sugar is present, it will reduce the copper sulfate to copper metal. This will cause a blue-green color to develop in the solution.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Process_of_Fehling_Test\"><\/span>Process of Fehling Test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The Fehling Test a simple test used to determine whether a sugar is present in a solution. A copper sulfate solution added to a sugar solution. If a sugar is present, it will react with the copper sulfate to form a copper sugar complex. The presence of this complex can easily detected by its characteristic blue color.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Reactions_of_Fehlings_Test\"><\/span>Reactions of Fehling\u2019s Test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A positive reaction for the presence of aldehydes or ketones in a sample will result in a brick-red precipitate. However the presence of a sugar will not cause a reaction.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Common_Uses_of_Fehlings_Test\"><\/span>Common Uses of Fehling\u2019s Test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>One common use of Fehling&#8217;s test is to determine the presence of sugar in a substance. This is because sugar can react with the Fehling&#8217;s solution to produce a red precipitate.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Uses_of_Fehling_Test\"><\/span>Uses of Fehling Test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The Fehling Test used to determine the presence of reducing sugars in a sample. The test uses copper (II) sulfate and alkaline potassium tartrate to form a red-orange precipitation when reducing sugars are present in the sample.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"PrincipleAim_of_the_Fehling_Test\"><\/span>Principle\/Aim of the Fehling Test<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The principle of the Fehling Test is that aldehydes and ketones reduce Cu2+ ions to Cu+ ions in the presence of an alkali. Therefore the presence of aldehydes or ketones in a substance can detected by the presence of a blue precipitate.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fehling Test Fehling Test \u2013 Objectives: The Fehling Test is a chemical test that is used to determine the presence [&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 Test \u2013 Objectives","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Learn about Fehling Test topic of chemistry in details explained by subject experts on infinitylearn.com. 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