Which of the following can show geometrical i | vedclass

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(C) For a molecule to show geometrical isomerism,each carbon atom of the double bond must be attached to two different groups. $A$: $1,1$-diphenyl-$2$

Vedclass · Accepted Answer

But$-2-$ene

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(C) For a molecule to show geometrical isomerism,each carbon atom of the double bond must be attached to two different groups. $A$: $1,1$-diphenyl-$2$-chloroethene has two identical phenyl groups on the first carbon,so it cannot show geometrical isomerism. $B$: $1,1$-dimethyl-$2$-bromoethene has two identical methyl groups on the first carbon,so it cannot show geometrical isomerism. $C$: But-$2$-ene $(CH_3-CH=CH-CH_3)$ has two different groups ($-H$ and $-CH_3$) on each carbon of the double bond,so it can show geometrical isomerism (cis and trans forms). $D$: $CH_3-C \equiv C-CH_3$ is an alkyne and does not contain a double bond,so it cannot show geometrical isomerism.

Which of the following can show geometrical isomerism?

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