13. Consider the two energy diagrams Fig. I and Fig. II given below.Which of the following is correct with respect to these diagrams?
(A) Fig. I represents an SN2 reaction
(B) Fig. II represents an SN1 reaction
(C) Fig. II represents an SN2 reaction
(D) Fig. I represents an SN1 reaction
(E) Both {C} and {D}.