Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Given below are two statements
Assertion
A
In 2, 3-dibromobutane the total number of optical isomers is 4.
Reason (R) 2, 3-dibromobutane contains 2-chiral centres. choose the correct answer from the options given below.
Both A and R are true and R is the correct explanation of A .
Reason (R) 2, 3-dibromobutane contains 2-chiral centres. choose the correct answer from the options given below.
Both A and R are true and R is the correct explanation of A .
B
Both A and R are true but R is not the correct explanation of 
.
. C
is true but 
is false. D
is false but 
is true.
Text Solution
Verified by ExpertsThe correct answer is:
D
A is false but R is true. The correct form of A is: In 2, 3-dibromobutane the total number of
optical isomers is 3 .
2, 3-dibromobutane contains 2-chiral centres.
Number of optical isomers, 
and number of meso-isomer, 
Thus, total number of optical isomers,
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