Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Given below are four compounds:
Text Solution
Verified by ExpertsThe correct answer is:
C
Optical isomerism occurs when a compound has a chiral center (asymmetric carbon).
Examining each compound:
n-propyl chloride (CH 3 CH 2 CH 2 Cl) has no chiral center,
iso-propyl chloride (CH 3 CHClCH 3 ) has no chiral center,
sec-butyl chloride (CH 3 CH 2 CHClCH 3 ) has one chiral center attached to four different groups, and neo-pentyl chloride has no chiral center.
Therefore, sec-butyl chloride exhibits optical isomerism.
For C 4 H 9 Cl:
molar mass 
.
Carbon percentage 
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