# Problem: Consider the reaction: 2 AB → C2 + 2 BC The following mechanism has been proposed. 2 AB → A2B2                       slow second step                         fast A student is testing this mechanism for plausibility, which of the following statements is/are true? i. the experimental rate law should be Rate = k[AB] 2[C2] ii. the experimental rate law should be Rate = k[AB] 2 iii. A2B2 + C2 → A2 + 2 BC could be fast step a. i only b. ii only c. i and iii d. i and ii e. ii and iii

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Consider the reaction:

2 AB → C+ 2 BC

The following mechanism has been proposed.

2 AB → A2B2                       slow

second step                         fast

A student is testing this mechanism for plausibility, which of the following statements is/are true?

i. the experimental rate law should be Rate = k[AB] 2[C2]

ii. the experimental rate law should be Rate = k[AB] 2

iii. A2B2 + C2 → A2 + 2 BC could be fast step

a. i only

b. ii only

c. i and iii

d. i and ii

e. ii and iii

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Our tutors have indicated that to solve this problem you will need to apply the Reaction Mechanism concept. If you need more Reaction Mechanism practice, you can also practice Reaction Mechanism practice problems.

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Based on our data, we think this problem is relevant for Professor Shepler's class at GT.