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ChemistryJEE Main 5 Apr 2026, Shift 2·Q16·MCQ·Easy–moderate

Aldehydes, Ketones & Acids · Semicarbazone formation and hemiacetal hydrolysis

Given below are two statements :

Statement-I : The condensation reaction between CHX3−CH=O\ce{CH3-CH=O} and under optimum pH will produce

Statement-II : The molecule, will generate Ph−CH=O\ce{Ph-CH=O} in the presence of dilute acid.

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

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See the full 5 Apr 2026, Shift 2 paper