DP Chemistry (last assessment 2024)
Question 19M.1.hl.TZ1.30
| Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1.hl.TZ1.30 |
| Level | hl | Paper | 1 | Time zone | TZ1 |
| Command term | Question number | 30 | Adapted from | N/A |
30.
[Maximum mark: 1]
19M.1.hl.TZ1.30
Which factors affect the amount of product formed at the cathode during electrolysis of molten salts?
I. current
II. time
III. charge on the cation
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
Majority of candidates answered this correctly with the most common mistake being omission of time as a factor affecting electrolysis quantities.