Use the following equation below to answer #3-5 A + B ? C + D (Slow) A+C D +E (F

Question

Use the following equation below to answer #3-5 A + B ? C + D (Slow) A+C D +E (Fast) A multi-step reaction takes place by the mechanism given above. 3. Cwhich of the Species shown is an intermediate in the reaction? a. A b, B ec d. D e. E 4. What is the rate law for the overall reaction? a, Rate = k [A b. Rate k [A][B] c. Rate k [AJIC] d. Rate k [A][B][C] e. The rate law cannot be determined. What is the molecularity of the slow step in the reaction mechanism above? a. unimolecular b. bimolecular c. termolecular d. unimolecular and bimolecular e. bimolecular and termolecular

Explanation / Answer

A + B -----------> C + D    ( slow)

A + C -------------> D + E   ( fast)

3.

C is intermediate

c.C

4. Rate of reaction depends upon the slow step. It is called rate determining step.

Rate law

Rate = K[A][B]

b.Rate = K[A][B]

5.b. bimolecular

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