JEE Main · 2024 · 01 Feb 2024 · Shift 2 · Compounds Containing Nitrogen

Acid D formed in above reaction is:

Answer: (B)

Solution

C_{2} H_{5} B r

with alcoholic KOH undergoes E2 dehydrohalogenation to give ethylene,

A = C H_{2} = C H_{2}

. Ethylene adds

B r_{2}

C C l_{4}

to give 1,2-dibromoethane,

B = B r C H_{2} C H_{2} B r

. Treating

B

with excess KCN displaces both bromides by

S_{N} 2

substitution to give succinonitrile,

C = N C - C H_{2} C H_{2} - C N

. Hydrolysis of both nitrile groups with excess

H_{3} O^{+}

converts them to carboxylic acids, giving

D = H O O C - C H_{2} C H_{2} - C O O H

, succinic acid.

JEE Main · 2024 · 01 Feb 2024 · Shift 2 · Single correct option