JEE Main 2026 — Aldehydes and Ketones Question with Solution
JEE Main 2026 (22 January Shift 2)
Question
The compound A, reacts with acetophenone to form a single product via cross-Aldol condensation. The compound A on reaction with conc. NaOH forms a substituted benzyl alcohol as one of the two products. The compound A is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C4-methoxy benzaldehyde
Step-by-step explanation
(On cross aldol reaction, a single structure is obtained but it can show geometrical isomerism).
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This is a previous-year question from JEE Main 2026, 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.