Question 1
The rate expression for a particular reaction is rate = k[A][B]2. If the initial concentration of B is increased from 0.1 M to 0.3 M, the initial rate will increase by which of the following factors?
◦
2◦
6◦
12◦
3◦
9Question 2
The rate law for a reaction is found to be Rate = k[A]2[B]. Which of the following mechanisms gives this rate law?
I. | A + B  E (fast) |
| E + B → C + D (slow) |
II. | A + B  E (fast) |
| E + A → C + D (slow) |
III. | A + A → E (slow). |
| E + B → C + D (fast) |
◦
I◦
II◦
III◦
two of these◦
None of these are correct.