1.

n-pentane and iospentane can be distinguished by

Answer»

`Br_2`
`O_3`
Conc. `H_2SO_4`
`KMnO_4`

SOLUTION :On OXIDATION, with `KMnO_4` , they give DIFFERENT alcohols
`underset"n-pentane"(CH_3CH_2CH_2CH_2CH_3)underset([O])OVERSET(KMnO_4)to underset(1^@"alcohol")(CH_3CH_2CH_2CH_2CH_2OH)`
`CH_3CH_2-underset(CH_3)underset(|)CH-CH_3underset"[O]"overset(KMnO_4)to underset(3^@"alcohol")(CH_3CH_2-undersetunderset(CH_3)(|)oversetoverset(OH)(|)C-CH_3)`


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