Problem: Given the following proposed mechanism, predict the rate law for the overall reaction.A2 + 2B → 2AB (overall reaction)MechanismA2 ⇌ 2A     fastA + B  → AB    slowA. Rate = k[A][B]B. Rate = k[A2][B]C. Rate = k[A2][B]1/2D. Rate = k[A2]E. Rate = k [A2]1/2[B]

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Problem Details

Given the following proposed mechanism, predict the rate law for the overall reaction.

A2 + 2B → 2AB (overall reaction)

Mechanism

A⇌ 2A     fast

A + B  → AB    slow

A. Rate = k[A][B]

B. Rate = k[A2][B]

C. Rate = k[A2][B]1/2

D. Rate = k[A2]

E. Rate = k [A2]1/2[B]

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