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Ninhydring reasgent reacts with acids to...

Ninhydring reasgent reacts with acids to give a purple colour. In the reaction of ninhydrin with phenylalanine, which of the following is responsible for this colour ?

A

B

C

D

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Verified by Experts

The correct Answer is:
A
The product obtained in ninhydrin test with phenyl alanine is
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