an optically active compouns is
an optically active compouns is
A. 1-bromobutane acid
B. `beta` bromobutyric acid
C. 2-bromo-2-methylpropane
D. 1-bromo-2-methylpropane
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Correct Answer - B
(a) `CH_(3)CH_(2)CH_(2)CH_(2)Br`
(b) `CH_(3)-CH_(2)- overset(**) CHBr-COOH`
(c) `(CH_(3))_(3)CBr`
(d) `CH_(3)-CH(CH_(3))-CH_(2)Br`
The compound (b) has one asymmetric carbon atom, therefore, it has non-sugar imposable mirror-images and shows optical activity.
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