Which pair shows cis-trans isomerism? | vedclass

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Question

(A) $Cis-trans$ isomerism (geometrical isomerism) occurs in compounds containing a $C=C$ double bond where each carbon atom is attached to two differe

Vedclass · Accepted Answer

Maleic-fumaric acid

Vedclass · Answer

(A) $Cis-trans$ isomerism (geometrical isomerism) occurs in compounds containing a $C=C$ double bond where each carbon atom is attached to two different groups.Maleic acid is the $cis$-isomer (both $-COOH$ groups on the same side) and fumaric acid is the $trans$-isomer (both $-COOH$ groups on opposite sides) of butenedioic acid $(HOOC-CH=CH-COOH)$.Therefore,the pair that shows $cis-trans$ isomerism is maleic-fumaric acid.

Which pair shows $cis-trans$ isomerism?

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