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Question: Answered & Verified by Expert

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

ChemistryCarboxylic Acid DerivativesJEE MainJEE Main 2022 (26 Jun Shift 2)
Options:
  • A LiAlH4
  • B KMnO4
  • C MnO
  • D NaBH4
Solution:
2103 Upvotes Verified Answer
The correct answer is: MnO

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.

C6H5COOH+HCOOHHeatMnOC6H5CHO+CO2+H2O

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