MHT CET 2022 Chemistry question

Which among the following reactions does not correctly match with its reagent?

(A)Rosenmund reduction :
(B)Stephen reaction :
(C)Etard reaction :
(D)Gatterman - Koch formulation : Correct

Answer: (D)

Solution

Rosenmund reduction: acyl chloride aldehyde with (poisoned catalyst), correct. Stephen reaction: nitrile imine salt aldehyde with followed by hydrolysis, correct. Etard reaction: toluene benzaldehyde with chromyl chloride,

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Question ID VK-096977