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Q.
How many stereoisomers does this molecule have?
$CH_{3}CH=CHCH_{2}CHBrCH_{3}$
NTA AbhyasNTA Abhyas 2022
Solution:
The given compound may be written as
Both geometrical isomerism (cis-trans form) and optical isomerism is possible in the given compound.
Number of optical isomer $=2^{n}=2^{1}=2$
(where n = number of asymmetric carbon)
Hence total number of stereoisomers $=2+2=4$
