Proteins when heated with conc. HNO_(3) give a yellow colour. This is – InterviewSolution

1.	Proteins when heated with conc. HNO_(3) give a yellow colour. This is
Answer» Oxidising test Xanthoprotic test Hoppe's test ACID-base test Solution :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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