| Date | November 2017 | Marks available | 1 | Reference code | 17N.1.hl.TZ0.15 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | Question number | 15 | Adapted from | N/A |
Question
Which statements are correct for ionic compounds?
I. Lattice energy increases as ionic radii increase.
II. Within the same group, the melting point of salts tends to decrease as the radius of the cation increases.
III. Solubility in water depends on the relative magnitude of the lattice energy compared to the hydration energy.
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
C
Examiners report
[N/A]
