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ChemistryJEE Main 24 Jan 2026, Shift 2·Q14·MCQ·Easy–moderate

Aldehydes, Ketones & Acids · Cross aldol and carbonyl reactivity

Given below are two statements :

Statement I : Cross aldol condensation between two different aldehydes will always produce four different products.

Statement II : When semicarbazide reacts with a mixture of benzaldehyde and acetophenone under optimum pH, it forms a condensation product with acetophenone only.

In the light of the above statements, choose the correct answer from the options given below :

  1. (1)Both Statement I and Statement II are false
  2. (2)Statement I is false but Statement II is true
  3. (3)Both Statement I and Statement II are true
  4. (4)Statement I is true but Statement II is false

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See the full 24 Jan 2026, Shift 2 paper