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Proteins when heated with cone. HNO3 giv...

Proteins when heated with cone. `HNO_3` gives a yellow colour. This Is

A

Oxidising test

B

Xanthoprotic test

C

Hoppe's test

D

Acid-base test

Text Solution

Verified by Experts

The correct Answer is:
B
Protein ++conc. `HNO_(3) to ` Yellow colour
[This test is given by a protein which consists of `alpha`-amino acid containing a benzene ring such as tyrosine, phenylanine etc. the yellow colour is due to to nitration of benzene ring.]
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