JEE Main 2022 · 30 Jun · Shift 1 · Chemistry Q74 · Dronacharya Exams

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ChemistrySingle correct+4 / -1Question 74 of 90

Consider the given chemical reaction

Identify the product P.

Cyclohexanecarboxylic acid treated with (i) red P, Cl2, (ii) H2O gives the major product P.

A

1-Chlorocyclohexane-1-carboxylic acid

Cyclohexane ring carbon bearing both Cl and COOH.

B

Cyclohexanecarbonyl chloride

Cyclohexane ring bearing a COCl group.

C

3-Chlorocyclohexane-1-carboxylic acid

Cyclohexane ring with COOH and a Cl at the 3-position.

D

4-Chlorocyclohexane-1-carboxylic acid

Cyclohexane ring with COOH and a Cl at the 4-position.

Answer and worked solution

Official answer: A

HVZ reaction. Red P/ $\mathrm{Cl_2}$ chlorinates the α-carbon: 1-chlorocyclohexanecarboxylic acid.

(A)

Topics:Carboxylic acids

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