1.

Arrange the following in decreasing order of their S_(N)2 reactivity :(iii) H_(2)C=CH-CH_(2)-Cl(iv) CH_(3)CH_(2)CH_(2)Cl

Answer»

`(IV)GT(III)gt(i)gt(ii)`
`(ii)gt(i)gt(iii)gt(iv)`
`(i)gt(ii)gt(iv)gt(iii)`
`(iii)gt(ii)gt(i)gt(iv)`

ANSWER :B


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