| Date | May 2014 | Marks available | 1 | Reference code | 14M.1.sl.TZ1.17 |
| Level | SL | Paper | 1 | Time zone | TZ1 |
| Command term | Question number | 17 | Adapted from | N/A |
Question
Why does the rate of a reaction increase when the temperature is increased?
I. The activation energy decreases.
II. There are more particles with energy equal to or greater than the activation energy.
III. The frequency of collisions between particles increases.
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
C
Examiners report
[N/A]
Syllabus sections
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