| Date | May 2014 | Marks available | 1 | Reference code | 14M.1.hl.TZ1.16 |
| Level | HL | Paper | 1 | Time zone | TZ1 |
| Command term | Question number | 16 | Adapted from | N/A |
Question
What is the correct definition of lattice enthalpy?
A. Enthalpy change when one mole of a solid ionic compound is separated into gaseous ions.
B. Enthalpy change when one mole of a solid ionic compound is separated into its ions in their standard state.
C. Enthalpy change when one mole of a solid ionic compound is formed from gaseous elements.
D. Enthalpy change when one mole of a compound is formed from the elements in their standard states.
Markscheme
A
Examiners report
[N/A]
