The order of reactivities of the followi...

The order of reactivities of the following alkyl halides for a `S_(N^(2))` reaction is :

A

RF `gt` RCl `gt` RBr `gt` RI

B

RF `gt` RBr `gt` RCl `gt` RI

C

RCl `gt` RBr `gt` RF `gt` RI

D

RI `gt` RBr `gt` RCl `gt` RF

Verified by Experts

The correct Answer is:

D

The order of reactivity of alkyl halides for `S_N^2` reaction is
`R-I gt R-Br gt R-Cl gt R-F` .
Thus in this reaction 1-butyne is main product.

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