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If a reducing sugar is present what colour will Benedict's solution change to?

Question

If a reducing sugar is present what colour will Benedict's solution change to?

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Solution

If a reducing sugar is present, Benedict's solution will change to a range of colors from green to yellow or brick-red, depending on the amount of sugar. Here are the steps:

  1. Prepare a test tube with the solution you want to test for reducing sugars.
  2. Add an equal volume of Benedict's reagent to the test tube.
  3. Heat the mixture in a boiling water bath for about 5 minutes.
  4. Observe the color change. If the solution turns green, it indicates a small amount of reducing sugar. A yellow to orange color indicates a moderate amount, and a brick-red precipitate indicates a high amount of reducing sugar.

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