When HNO_3 is dropped into the palm and washe | vedclass

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Question

(C) When concentrated $HNO_3$ comes in contact with the skin (which contains proteins),it causes the nitration of the aromatic amino acids present in

Vedclass · Accepted Answer

Nitration of protein

Vedclass · Answer

(C) When concentrated $HNO_3$ comes in contact with the skin (which contains proteins),it causes the nitration of the aromatic amino acids present in the protein,such as tyrosine and tryptophan. This reaction forms yellow-colored nitro compounds,a process known as the xanthoproteic reaction. Therefore,the yellow stain on the skin is due to the nitration of proteins.

When $HNO_3$ is dropped into the palm and washed with water,it turns yellow. The above yellow colour is due to:

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