| Date | May 2011 | Marks available | 1 | Reference code | 11M.1.hl.TZ1.19 |
| Level | HL | Paper | 1 | Time zone | TZ1 |
| Command term | Identify | Question number | 19 | Adapted from | N/A |
Question
Which equation corresponds to the lattice enthalpy for silver iodide, AgI?
A. \({\text{AgI(s)}} \to {\text{Ag(s)}} + {\text{I(g)}}\)
B. \({\text{AgI(s)}} \to {\text{Ag(s)}} + \frac{1}{2}{{\text{I}}_2}{\text{(g)}}\)
C. \({\text{AgI(s)}} \to {\text{A}}{{\text{g}}^ + }{\text{(aq)}} + {{\text{I}}^ - }{\text{(aq)}}\)
D. \({\text{AgI(s)}} \to {\text{A}}{{\text{g}}^ + }{\text{(g)}} + {{\text{I}}^ - }{\text{(g)}}\)
Markscheme
D
Examiners report
[N/A]
