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ChemistryJEE Main 22 Jan 2026, Shift 2·Q18·MCQ·Easy–moderate

Aldehydes, Ketones & Acids · Cross aldol and cannizzaro reaction

The compound A, CX8HX8OX2\ce{C8H8O2} 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. The compound A is :
  1. (1)2-hydroxy acetophenone
  2. (2)4-methoxy benzaldehyde
  3. (3)4-hydroxy benzylaldehyde
  4. (4)4-methyl benzoic acid
We corrected a printing error in the original paper

Source printed “forms a substituted benzyl alcohol as” (the question asked for A was missing; no option is a benzyl alcohol) and, in option (2), “4-methyoxy benzaldehyde”.

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See the full 22 Jan 2026, Shift 2 paper