DP Chemistry (last assessment 2024)
Question 18M.1.hl.TZ2.23
Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.1.hl.TZ2.23 |
Level | hl | Paper | 1 | Time zone | TZ2 |
Command term | Deduce | Question number | 23 | Adapted from | N/A |
23.
[Maximum mark: 1]
18M.1.hl.TZ2.23
What occurs when the pressure on the given equilibrium is increased at constant temperature?
N2(g) + O2(g) 2NO(g) ΔH = +180 kJ
A. Kc increases and the position of equilibrium moves to the right.
B. Kc stays the same and the position of equilibrium is unchanged.
C. Kc stays the same and the position of equilibrium moves to the left.
D. Kc decreases and the position of equilibrium moves to the left.
[1]
Markscheme
B