309,185 views
31 votes
31 votes
Buiret reagent will turn your skin brownish/purple. Explain why this happens.

User Emprice
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1 Answer

11 votes
11 votes

Answer:

Step-by-step explanation:

This is because alkaline CuSO₄ reacts with compounds containing two or more peptide bonds to give a purple colored productwhich is due to formation of co-ordination complex of copper(II) ions with un-shared electron pairs of peptide nitrogen atoms and oxygen atoms of water.

User Apqu
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