| Date | May 2013 | Marks available | 1 | Reference code | 13M.1.hl.TZ2.20 |
| Level | HL | Paper | 1 | Time zone | TZ2 |
| Command term | Identify | Question number | 20 | Adapted from | N/A |
Question
Experimental data shows that a reaction in which Y is a reactant is first order with respect to Y. Which graph shows this first-order relationship?
Markscheme
C
Examiners report
The graph in C showed a constant half-life and so represented a 1st order relationship.
Syllabus sections
Additional higher level (AHL) » Topic 16: Chemical kinetics » 16.1 Rate expression and reaction mechanism
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