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JEE Main202226 Jun 2022Evening ShiftChemistryCarboxylic Acid DerivativesActual

The reagent, from the following, which converts benzoic acid to benzaldehyde in one step is

Options

  1. ALiAlH 4
  2. BKMnO 4
  3. CMnO
  4. DNaBH 4

Correct answer

C. MnO

Step-by-step solution

When benzoic acid is heated with formic acid in presence of Mno , benzaldehyde is obtained. The reaction is given below, along with benzaldehyde, carbondioxide and water are also obtained. C 6 H 5 COOH + HCOOH → Heat MnO C 6 H 5 CHO + CO 2 + H 2 O

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