DP Chemistry (last assessment 2024)
Question 18N.2.sl.TZ0.d.ii
| Date | November 2018 | Marks available | [Maximum mark: 1] | Reference code | 18N.2.sl.TZ0.d.ii |
| Level | sl | Paper | 2 | Time zone | TZ0 |
| Command term | Deduce | Question number | d.ii | Adapted from | N/A |
d.ii.
[Maximum mark: 1]
18N.2.sl.TZ0.d.ii
Bromine can form the bromate(V) ion, BrO3−.
Bromate(V) ions oxidize iron(II) ions, Fe2+, to iron(III) ions, Fe3+.
Deduce the equation for this redox reaction.
[1]
Markscheme
BrO3− (aq) + 6Fe2+ (aq) + 6H+ (aq) → Br− (aq) + 3H2O (l) + 6Fe3+ (aq) ✔
