Q2 / 100 · BITSAT 2022 · Chemistry

Ninhydrin gives yellow colour in paper chromatography with which amino acid?

A
Tryptophan
Correct answer
B
Proline
C
Alanine
D
Tyrosine

Solution

The amino acid which gives yellow colour with ninhydrin in paper chromatography is proline. Ninhydrin + Proline $\longrightarrow$ Yellow-orange product

Hence, the correct answer is option: 'B'.

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