Question

Identify the correct order of reactivity for the following pairs towards the respective mechanism

Choose the correct answer from the options given below : 

(1) (A), (B) and (D) only 

(2) (A), (B), (C) and (D) 

(3) (A), (C) and (D) only 

(4) (B), (C) and (D) only

Answer 1

(2) (A), (B), (C) and (D) 

All are correct 

(A) S_N2 reaction decreases with increase in steric crowding. 

(B) S_N1 reaction increases with stability of carbocation. 

(C) EAS reaction decreases with decrease in electron density. 

(D) Presence of electron withdrawing group at ortho and para-position to a halogen in haloarene increase nucleophilic aryl substitution.