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Which of the following compounds will show cis-trans isomerism ? (i) (CH_(3))_(2)C=CH-C_(2)H_(5) (ii) CH_(2)=CBr_(2) (iii) C_(6)H_(5)CH=CHC_(6)H_(5) (iv) CH_(3)CH=C ClCH_(3) |
Answer» Solution :(i) `(CH_(3))_(2)C=CH-C_(2)H_(5)` : This structure do not show isomerism because ONE carbon having two same `CH_(3)` groups. (ii) `CH_(2) = CBr_(2)` :  This COMPOUND do not show isomerism because two same FUNCTIONAL group is present on one carbon. (III) `C_(6)H_(5)CH = CHC_(6)H_(5)` : This compound shows isomerism because carbon is having different groups.  (IV) `CH_(3)CH=C ClCH_(3)` : This compound shows isomerism as both carbon is having different groups. 
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