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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3ap017

Which statements about hydride reductions are correct?

  1. A in ethanol reduces acetophenone to 1-phenylethanol.
  2. B under usual conditions reduces ethyl benzoate to benzyl alcohol.
  3. C followed by reduces benzoic acid to benzyl alcohol.
  4. D can be used safely in aqueous ethanol as solvent.

Answer: A, C

reduces ketones and aldehydes (statement 1) but not esters under the usual conditions (statement 2 is false). reduces carboxylic acids to primary alcohols (statement 3). It reacts violently with water and alcohols, so it requires dry ether (statement 4 is false).
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