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Question

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)