JEE Main 2010 — Biomolecules Question with Solution
From: AIEEE 2010
Question
Biuret test is not given by
Choose an option
Show full solutionCorrect option: A
Correct answer
Acarbohydrates
Step-by-step explanation
Biuret test produces violet colour on addition of dilute to alkaline solution of a compound containing perptide linkage.
Polypeptides, proteins and urea have -
(peptide) linkage while carbohydrates have glycosidic linkages. So, test of carbohydrates should be different from that of other three.
Polypeptides, proteins and urea have -
(peptide) linkage while carbohydrates have glycosidic linkages. So, test of carbohydrates should be different from that of other three.
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This is a previous-year question from JEE Main 2010, covering the Biomolecules chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.