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MHT CET Medical202621 April 2026Evening ShiftChemistryAldehydes and KetonesActual

Which of the following reagents reacts with both aldehydes and ketones?

Options

  1. AGrignard Reagent
  2. BSchiff's reagent
  3. CTollen's reagent
  4. DFehling's Solution

Correct answer

A. Grignard Reagent

Step-by-step solution

Grignard reagent ( RMgX ) reacts with both aldehydes and ketones to form addition products, which upon hydrolysis yield alcohols. Formaldehyde gives primary alcohols, other aldehydes give secondary alcohols, and ketones give tertiary alcohols. Schiff's reagent, Tollen's reagent, and Fehling's solution are mild oxidizing agents. They selectively oxidize aldehydes but do not react with ketones. Answer: Grignard Reagent

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