JEE Main 2025 — Aldehydes and Ketones Question with Solution
JEE Main 2025 (3 Apr Shift 1)
Question
Number of molecules from below which cannot give ioddoform reaction is :
Ethanol, Isopropyl alcohol, Bromoacetone, 2-Butanol, 2-Butanone, Butanal, 2-Pentanone, 3-Pentanone, Pentanal and 3-Pentanol
Ethanol, Isopropyl alcohol, Bromoacetone, 2-Butanol, 2-Butanone, Butanal, 2-Pentanone, 3-Pentanone, Pentanal and 3-Pentanol
Choose an option
Show full solutionCorrect option: B
Correct answer
B4
Step-by-step explanation
Following will not give iodoform reaction/test.
(1) Butanal
(2) 2-Pentanone
(3) Pentanal
(4) 3-Pentanol
(1) Butanal
(2) 2-Pentanone
(3) Pentanal
(4) 3-Pentanol
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This is a previous-year question from JEE Main 2025, covering the Aldehydes and Ketones 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.