Consider the following compounds
![](https://www.sarthaks.com/?qa=blob&qa_blobid=18050154129586807117)
Which of the following options represent correctly the Br atoms which are more reactive in SN1 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)