1.

Which of the following compounds exhibits geometrical isomerism ?

Answer»

`C_2H_5Br`
`(CH)_2(COOH)_2`
`CH_3CHO`
`(CH_2)_2(COOH)_2`

Solution :`(CH_2)(COOH)_2` actually REPRESENTS HOOC-CH=CH-COOH , i.e., maleic acid (CIS) and fumaric acid (trans) which show GEOMETRICAL isomerism


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