Question

Chlorination of propane is carried out in the presence of sunlight. The percentage yield of major and minor alkyl halide will be:

• A. 92%, 8%
• B. 70%, 30%
• C. 80%, 20%
• D. 86%, 14%

Answer 1

The correct option is A 92%, 8%

Chlorination of propane follows a free-radical mechanism. A secondary free radical forms major alkyl halide, while primary free radical forms minor alkyl halide.

Since a secondary free radical is highly stable than the primary one, major alkyl halide will be very much dominant product.

% yield of major & minor alkyl halide will be 92%, 8% respectively.