Question

An optically active compound is

• A. 1-bromobutane
• B. $\beta$ -bromobutyric acid
• C. 2-bromo-2-methylpropane
• D. 1-bromo-2-methylpropane

Answer 1

Answer: (B)

The compound B has one asymetric carbon atom; therefore, it has non-super imposable mirror-image and shows optical activity.