DP Chemistry (last assessment 2024)
Question 19M.1.hl.TZ1.23
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1.hl.TZ1.23 |
| Level | hl | Paper | 1 | Time zone | TZ1 |
| Command term | Question number | 23 | Adapted from | N/A |
23.
[Maximum mark: 1]
19M.1.hl.TZ1.23
Which is correct for a reaction with a positive change in Gibbs free energy, ΔGθ?
A. The formation of reactants is favoured.
B. The formation of products is favoured.
C. The reaction is at equilibrium.
D. The reaction is spontaneous.
[1]
Markscheme
A
Examiners report
The higher scoring candidates did better on identifying the direction of spontaneity given a positive ΔG