HARDMCQ SINGLEJEE Advanced ChemistryInorganic ChemistryCarboxylic Acids and DerivativesAchiever Section

In the following sequence of reactions: KMnO SOCl H /Pd BaSO Toluene A B C, → → → Carboxylic Acid and Its Derivatives the product C formed will be :

A.C₆H₅CH₂OH

B.C₆H₅CHO✓ Correct

C.C₆H₅COOH

D.C₆H₅CH₃

Explanation

4 KMnO is a good oxidizing agent and oxidizes toluene to benzoic acid. The, benzoyl chloride is formed when reacted with 2 SOCl . Further it gives benzaldehyde on reduction with 2 4 H / Pd BaSO . This type of reaction is called Rosenmund reaction. The reaction is shown below- Thus, the correct option is (b) 6 5 C H CHO

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