1.

An alcohol C_4H_9OH on dehydration gives an alkene, which on oxidation yield a acetone. The alcohol is

Answer»

`(CH_3)_3COH`
`CH_3CH_2CH(OH)CH_3`
`CH_3CH_2CH_2CH_2OH`
`(CH_3)_2CHCH_2OH`

Solution :`(CH_3)_3COHoverset("DEHYDRATION")to(CH_3)_2C=CH_2+H_2O`
`(CH_3)_2C=CH_2+4[O] UNDERSET(+dil. H_2SO_4)OVERSET(K_2Cr_2O_7)to CH_3COCH_3 + CO_2 + H_2O`


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