What is the order of reactivity of the following compounds towards nucleophilic substitution?

Predict the order of reactivity of the following compounds towards nucleophilic substitution

Aryl halides are extremely less reactive towards nucleophilie substitution. Predict and explain the order of reactivity of the following compounds towards nucleophilic substitution:

Aryl halides are extremely less reactive towards nucleophilie substitution. Predict and explain the order of reactivity of the following compounds towards nucleophilic substitution:

The decreasing order of reactivity of the following compound towards nucleophilic substitution (S_N 2) is

The increasing order of reactivity of the following compounds towards aromatic electrophilic substitution reaction is :

The increasing order of reactivity of the following compounds towards aromatic electrophilic substitution reaction is: