A certain compound gives a negative test with ninhydrin and a positive test with Benedict's solution. The compound is

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An amino acid

A monosaccharide

Both (1) and (2)

A protein

answer is B.

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Detailed Solution

A compound that tests negative test with ninhydrin (2,2-dihydroxyindane-1,3-dione), cannot be a protein or an amino acid. it gives a positive test with Benedict's solution. So, it must be a monosaccharide.

Hence option B is the correct answer.

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