Assertion :Fructose is a reducing sugar. Reason: Fructose has a ketonic group.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
All those carbohydrates which contain aldehydic or ketonic group in the hemiacetal or hemiketal form and reduce Tollen's or Fehling's solutions are reducing sugars.

All monosaccharides are reducing sugars (whether aldoses or ketoses).

Fructose is a monosaccharide with keto group.

Option B is correct.

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