Chemistry · May / June 2026 · Paper 12 · Question 22

Rubidium is in Group I and fluorine is in Group VII of the Periodic Table. Which statements about these elements are correct? 1 Chlorine will displace fluorine from a solution of its salts. 2 Bromine is a liquid at r.t.p. 3 Rubidium is a soft metal. 4 Rubidium reacts more vigorously than potassium with water.

1. A1, 2 and 3
2. B2, 3 and 4
3. C2 and 3 only
4. D3 and 4 only

As printed in the paper