| Date | November 2017 | Marks available | 1 | Reference code | 17N.1.hl.TZ0.18 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | Question number | 18 | Adapted from | N/A |
Question
Which equation represents the lattice enthalpy of magnesium sulfide?
A. MgS (s) → Mg (g) + S (g)
B. MgS (s) → Mg+ (g) + S– (g)
C. MgS (s) → Mg2+ (g) + S2– (g)
D. MgS (s) → Mg (s) + S (s)
Markscheme
C
Examiners report
[N/A]
