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Q.
Which of the following compounds will exhibit geometrical isomerism?
Haryana PMTHaryana PMT 2009
Solution:
$1$-phenyl-$2$-butene shows geometrical isomerism in the form of cis and trans isomers.
However, the geometrical isomerism is not possible for $3$-phenyl-$1$-butene, $2$-phenyl-$1$-butene and $1,1$-diphenyl-$1$-propane.