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JEE Main · 2022 · 27 Jul 2022 · Shift 2 · Aldehydes Ketones and Carboxylic Acids

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Match List-I with List-II.

List-I
(A) (see structure)
(B) (see structure)
(C) (see structure)
(D) (see structure)

List-II
(I) Gatterman Koch reaction
(II) Etard reaction
(III) Stephen reaction
(IV) Rosenmund reaction

Choose the correct answer from the options given below:
Structure A
A
Structure B
B
Structure C
C
Structure D
D

Answer: A → IV, B → III, C → II, D → I

Solution

The correct matches are:
(A) → (IV) Rosenmund reaction: Reduction of acid chloride to aldehyde using H₂/Pd-BaSO₄
(B) → (III) Stephen reaction: Reduction of nitrile to aldehyde using SnCl₂/HCl
(C) → (II) Etard reaction: Oxidation of methyl group on benzene to aldehyde using CrO₂Cl₂
(D) → (I) Gatterman Koch reaction: Formylation of benzene using CO/HCl in presence of AlCl₃/CuCl
Structure A
A
Structure B
B
Structure C
C
Structure D
D

JEE Main · 2022 · 27 Jul 2022 · Shift 2 · Match the columns

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