Question Detail

CHM 102 Practice Questions Objective Question

Question

Which of the following compounds will give cyclopropane on treatment with sodium in dry ether?
Options
A 1,3-Dibromopropane
Correct Answer
B 1,1-Dibromopropane
C 1,2-Dibromopropane
D 2,2-Dibromopropane
Correct Answer

Option A is the correct answer.

Detailed Explanation

1,3-Dibromopropane (BrCH2CH2CH2Br) on treatment with sodium in dry ether undergoes intramolecular Wurtz reaction to form cyclopropane (C3H6).

Hint

Which dibromide gives cyclopropane with sodium?

Question Info