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InterviewSolution
| 1. |
Write of the following compounds will show cis-trans isomerism ? (i)`(H_3C)_2C=CH-C_2H_5` , (ii)`H_2C=CBr_2` , (iii)`C_6H_5CH=CHCH_3` , (iv)`H_3C-CH=C Cl(CH_3)` |
| Answer» Alkenes (i) and (ii) have identical atoms or groups on one of the carbon atoms of the double bond and hence do not show geometrical isomerism. In contrast, alkenes (iii) and (iv) have different atoms or groups on each carbon atom of the double bond and hence exhibit geometrical isomerism. | |