| Date | May 2016 | Marks available | 1 | Reference code | 16M.1.hl.TZ0.18 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | State | Question number | 18 | Adapted from | N/A |
Question
Which transition represents an enthalpy of hydration?
A. 2H2O (l) → H3O+ (aq) + OH− (aq)
B. NaCl (s) → Na+ (aq) + Cl− (aq)
C. K+(s)→K+(aq)
D. K+(g)→K+(aq)
C. K+(s)→K+(aq)
D. K+(g)→K+(aq)
Markscheme
D
Examiners report
[N/A]
