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JEE Main 18 March 2021, Shift 1, Chemistry Q45

Question 45 of 90 in this shift, Chemistry question 15 of 30, Section A.

[figure: cyclohexyl-C#N --(H2O/H+)--> "A" (Major Product) --(H2O/H+, heat)--> cyclohexyl-COOH] Consider the above chemical reaction and identify product "A" :

The figure, in words

Reaction scheme: cyclohexanecarbonitrile with H2O/H+ gives A, which with H2O/H+, heat gives cyclohexanecarboxylic acid. Options are skeletal structures.

(1) $\mathrm{C_6H_{11}CH_2NH_2}$ (cyclohexylmethanamine)
(2) $\mathrm{C_6H_{11}CONH_2}$ (cyclohexanecarboxamide)Official answer
(3) $\mathrm{C_6H_{11}CH{=}N{-}OH}$ (cyclohexyl aldoxime)
(4) $\mathrm{C_6H_{11}CH_2NO_2}$

Official answer

Option 2

NTA final key.

Chapter: Aldehydes, Ketones and Carboxylic Acids
Topic: Carboxylic Acids and Derivatives
Idea tested: Hydrolysis of Nitriles

JEE Main 18 March 2021, Shift 1, Chemistry Q45

Same idea in other shifts