1.

A hydrocarbon X adds on one mole of hydrogen to give another hydrocarbon and decolourises bromine water. X reacts with KMnO_4in presence of acid to give two moles of the same carboxylic acid. The structure of Xis

Answer»

`CH_2=CH-CH_2CH_2CH_3`
`CH_3CH_2CH_2-CH=CHCH_3`
`CH_3CH_2CH=CHCH_2CH_3`
`CH_3CH=CHCH_2CH_2CH_3`

ANSWER :C


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