1.

CH_2=CH-CH_3overset(NOCl)toX , X is :

Answer»

`undersetunderset(CL)(|)CH_2-undersetunderset(NO)(|)CH-CH_3`
`undersetunderset(NO)(|)CH_2-undersetunderset(Cl)(|)CH-CH_3`
`ON-CH_2-CH_2-CH_2-Cl`
`ON-undersetunderset(Cl)(|)CH-CH_2-CH_3`

ANSWER :B


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