The true order of reactivity towards `S_(N)1` reaction is

The correct order of reactivity towards S_(N) 1 reaction is

The correct order of reactivity towards S_(N) 1 reaction is

Arrange in order of reactivity towards S_(N)2 reactions: (1) 2-bromo-2-methyibutane, 1 -bromopentane, 2-bromo pentane.

Most reactive halide towards S_(N)1 reaction is

Arrange the following compounds in order of decreasing reactivity towards S_(N)1 reaction

Arrange the following compounds in order of decreasing reactivity towards S_(N)1 reaction

Most important chemical reactions of haloalkanes are their substitution reactions. Arrange the four isomeric bromobutanes in the increasing order of their reactivity towards S_N1 reaction.