Among the following pair of reactions in which pair second reaction is more reactive than first for `S_(N^(1))` reaction?

Among the following pair of reactions in which pair the second reaction is more reactive than first in S_(N^1) reaction ?

Among the following pair of reaction in which pair the second reaction is more reactive then first in S_(N^(2)) reaction ?

In the given pair of reacrtion in which pair the second raction is more reactive then first toward S_(N^(2)) reaction?

In the given pair of compound, in which pair the second compoundis more reactive than first toward S_(N^2) reaction

In the the given pair of compound , in which pair the second compound is more reaction than first toward S_(N^(2)) reaction ?