| Date | November 2010 | Marks available | 1 | Reference code | 10N.1.hl.TZ0.17 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | Question number | 17 | Adapted from | N/A |
Question
Which is a correct definition of lattice enthalpy?
A. It is the enthalpy change that occurs when an electron is removed from 1 mol of gaseous atoms.
B. It is the enthalpy change that occurs when 1 mol of a compound is formed from its elements.
C. It is the enthalpy change that occurs when 1 mol of solid crystal changes into a liquid.
D. It is the enthalpy change that occurs when 1 mol of solid crystal is formed from its gaseous ions.
Markscheme
D
Examiners report
[N/A]
