JEE Main 2024 — Carboxylic Acid Derivatives Question with Solution
JEE Main 2024 (31 Jan Shift 2)
Question
The azo-dye formed in the following reactions is Sulphanilic acid
Choose an option
Show full solutionCorrect option: D
Step-by-step explanation
Reaction of aniline sulphonic acid with gives diazo ester sulphonic acid. Which on further treatment with naphthalene derivative undergoes diazo coupling reaction to give red azo dye.
This is known as Griess-Ilosvay test.
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This is a previous-year question from JEE Main 2024, covering the Carboxylic Acid Derivatives 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.