For the Overall Reaction a + 2B → C,which of the Following

Multiple Choice

For the overall reaction A + 2B → C,which of the following mechanisms yields the correct overall chemical equation and is consistent with the rate equation below? Rate = k[A][B]

A) A + B I (fast)
I + A → C (slow)
B) A + B → I (slow)
I + B → C (fast)
C) 2B → I (slow)
A + I → C (fast)
D) 2B I (fast)
I + A → C (slow)
E) A + 2B I (fast)
I + B → C + B (slow)