DP Chemistry (last assessment 2024)
Question 19M.1.hl.TZ1.19
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1.hl.TZ1.19 |
| Level | hl | Paper | 1 | Time zone | TZ1 |
| Command term | Question number | 19 | Adapted from | N/A |
19.
[Maximum mark: 1]
19M.1.hl.TZ1.19
Which conditions are required for the reaction between two molecules?
I. a collision
II. E ≥ Ea
III. proper orientation
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
[1]
Markscheme
D
Examiners report
This question on collision theory was one of the best answered in the exam.