Give the decreasing order of reactivity of Diels `-` Alder reactions for the following :

Give the decreasing order of the relative reactivity towards SE reaction of the following compounds. a. I. Benzene, II. Phenol, III. Aniline, IV. Chlorobenzene

Give decreasing order of reactivity for ESR reaction :-

The decreasing order of reactivity towards ArSN reaction of the following with NaOMe is : .

The decreasing order of reactivity towards ArSN reaction of the following with NaOMe is : .

Give decreasing order of reactivity for nucleophilic addition reaction :-

Given the decreasing order of reactivity of the following compounds with HBr.

Given the decreasing order of reactivity of the following compounds with HBr.

Give the decreasing order of reactivity of the following compounds with HBr. (I)

Give the decreasing order of reactivity of the following compounds with HBr. (I)