Which of the following shows geometrical isom | vedclass

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(C) Geometrical isomerism is shown by compounds that have a restricted rotation around a double bond and where each carbon atom of the double bond is

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$(CH)_2(COOH)_2$

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(C) Geometrical isomerism is shown by compounds that have a restricted rotation around a double bond and where each carbon atom of the double bond is attached to two different groups.In $(CH)_2(COOH)_2$,which is but$-2-$enedioic acid (maleic acid and fumaric acid),the structure is $HOOC-CH=CH-COOH$.Each carbon atom of the $C=C$ double bond is attached to a hydrogen atom $(-H)$ and a carboxylic acid group $(-COOH)$.Since both carbons have different groups attached,it exhibits geometrical isomerism (cis-trans isomerism).

Which of the following shows geometrical isomerism?

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