Benedict's and iodine test

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Benedict's test

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Blue solution which is used to test for reducing and non-reducing sugars.

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Non-reducing sugar

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A sugar which cannot serve as a reducing agent. An example is sucrose.

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5 Terms

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Benedict's test

Blue solution which is used to test for reducing and non-reducing sugars.

2

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Non-reducing sugar

A sugar which cannot serve as a reducing agent. An example is sucrose.

3

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Non-reducing sugar test

Following a negative reducing sugars test. Heat the solution with HCl to hydrolyze the non-reducing sugar into its monosaccharides. Then perform the Benedict’s test again. If you get a positive result after hydrolysis, then a non-reducing sugar is present.

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Reducing sugar test

Heat solution with Benedict’s reagent to test for reducing sugars. If it goes brick red, then a reducing sugar is present.

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Reducing sugar

A sugar that serves as a reducing agent. All monosaccharides are reducing sugars along with some disaccharides.