Intermediate and Transition state

• A -> Number of $120^{\circ}$ angels in S $_N$ 1 transition state
• B -> Number of $120^{\circ}$ angels in S $_N$ 2 transition state
• C -> Number of $90^{\circ}$ angels in S $_N$ 1 transition state
• D -> Number of $90^{\circ}$ angels in S $_N$ 2 transition state
• E -> Number of $109^{\circ}$ angels in S $_N$ 1 transition state
• F -> Number of $109^{\circ}$ angels in S $_N$ 2 transition state
• G -> Number of $120^{\circ}$ angels in S $_N$ 1 intermediate

$Enter$ $your$ $answer$ $as$ $A$ + $B^2$ + $C^3$ + $D^4$ + $E^3$ + $F^2$ + $G$ .

Note :

• Don't take more than 2 step S $_N$ 1 reaction in consideration for your answer

• Take (R) $_3$ CX as an Alkyl Halide (Substrate) where X = Halides