DP Chemistry (last assessment 2024)
Question 23M.1.HL.TZ1.31
Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.1.HL.TZ1.31 |
Level | HL | Paper | 1 | Time zone | TZ1 |
Command term | Question number | 31 | Adapted from | N/A |
31.
[Maximum mark: 1]
23M.1.HL.TZ1.31
Which statement is correct about the ions in a cell assembled from these half-cells?
Reaction | E⦵ |
Ni2+ (aq) + 2e− ⇌ Ni (s) | −0.26 V |
Zn2+ (aq) + 2e− ⇌ Zn (s) | −0.76 V |
A. Negative ions flow into the zinc half-cell from the salt bridge.
B. Negative ions flow into the nickel half-cell from the salt bridge.
C. Zn2+ ions are reduced to Zn.
D. The concentration of Ni2+ ions increases.
[1]
Markscheme
A