Question

Consider the following compounds

Which of the following options represent correctly the Br atoms which are more reactive in S_N1 mechanism? 

(1) (A) Br – (a) (B) Br – (a) (C) Br – (a) (D) Br – (a) 

(2) (A) Br – (a) (B) Br – (b) (C) Br – (b) (D) Br – (a) 

(3) (A) Br – (b) (B) Br – (b) (C) Br – (b) (D) Br – (a) 

(4) (A) Br – (a) (B) Br – (b) (C) Br – (b) (D) Br – (b)

Answer 1

(2) (A) Br – (a) (B) Br – (b) (C) Br – (b) (D) Br – (a)