DP Chemistry (last assessment 2024)
Question 18N.1.sl.TZ0.23
Date | November 2018 | Marks available | [Maximum mark: 1] | Reference code | 18N.1.sl.TZ0.23 |
Level | sl | Paper | 1 | Time zone | TZ0 |
Command term | Question number | 23 | Adapted from | N/A |
23.
[Maximum mark: 1]
18N.1.sl.TZ0.23
Which represents a reduction?
A. SO3 to SO42−
B. Mn2O3 to MnO2
C. H2O2 to OH−
D. CrO42− to Cr2O72−
[1]
Markscheme
C