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JEE Main202127 Aug 2021Evening ShiftChemistryCarboxylic Acid DerivativesActual

Which one of the following reactions will not yield propanoic acid?

Options

  1. ACH 3 CH 2 CH 2 Br + Mg , CO 2 dry ether / H 3 O +
  2. BCH 3 CH 2 CH 3 + KMnO 4 ( Heat ) , OH - / H 3 O +
  3. CCH 3 CH 2 CCl 3 + OH - / H 3 O +
  4. DCH 3 CH 2 COCH 3 + OI - / H 3 O +

Correct answer

A. CH 3 CH 2 CH 2 Br + Mg , CO 2 dry ether / H 3 O +

Step-by-step solution

CH 3 CH 2 CH 2 Br ⟶ Mg CH 3 CH 2 CH 2 MgBr ⟶ CO 2 / H 3 O + CH 3 CH 2 CH 2 COOH Butanoic   acid

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