Q. Order of reactivity towards nucleophilic substitution reaction of the compoundsChemistry Question Image

 17361  214 Haloalkanes and Haloarenes Report Error

Solution:

Electron-withdrawing groups increase and electron-donating groups decrease the reactivity towards nucleophilic substitution. Further, more the number of electron-withdrawing groups, higher is the reactivity. Thus, option (c), i.e., iv > iii > ii > i is correct.