The compound that exhibits geometrical isomer | vedclass

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(B) Geometrical isomerism occurs in alkenes when each carbon atom of the double bond is attached to two different groups.In $1$-phenyl-$1$-propene $(C

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$1$-Phenyl-$1$-propene

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(B) Geometrical isomerism occurs in alkenes when each carbon atom of the double bond is attached to two different groups.In $1$-phenyl-$1$-propene $(C_6H_5-CH=CH-CH_3)$,the first carbon is attached to a phenyl group and a hydrogen atom,and the second carbon is attached to a methyl group and a hydrogen atom.Since both carbons have two different groups attached,it exhibits geometrical isomerism (cis and trans forms).Propene $(CH_3-CH=CH_2)$ has two identical hydrogen atoms on the terminal carbon.$2$-Methyl-$2$-butene $((CH_3)_2C=CH-CH_3)$ has two identical methyl groups on the first carbon of the double bond.$2$-Butene $(CH_3-CH=CH-CH_3)$ also exhibits geometrical isomerism,but in many standard multiple-choice contexts,$1$-phenyl-$1$-propene is a classic example of a substituted alkene showing this property clearly.

The compound that exhibits geometrical isomerism is .......

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