JEE Main 2019ChemistryBiomoleculesProteins And EnzymesmediumMCQ

JEE Main 2019 — Biomolecules Question with Solution

From: JEE Main 2019 (Online) 9th April Evening Slot

Question

The peptide that gives positive ceric ammonium nitrate and carbylamine tests is :

Choose an option

Show full solutionCorrect option: A
Correct answer
ASer-Lys

Step-by-step explanation

Positive Ceric ammonium nitrate test is given by alcohol (- OH).

Positive Carbylamine test is given by 1o amine (-NH2). JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Biomolecules Question 138 English Explanation

Among those peptide you can see only in (A) Serine(Ser)Lysine(Lys) has alcohol (- OH) and 1o amine (-NH2).

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About this question

This is a previous-year question from JEE Main 2019, 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.