| Date | May 2013 | Marks available | 1 | Reference code | 13M.1.sl.TZ2.18 |
| Level | SL | Paper | 1 | Time zone | TZ2 |
| Command term | Identify | Question number | 18 | Adapted from | N/A |
Question
Which statements explain the increase in the rate of a reaction when the temperature is increased?
I. More particles have energy greater than the activation energy.
II. The frequency of collisions increases.
III. The activation energy decreases.
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
A
Examiners report
[N/A]
Syllabus sections
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