Fireworks get their colours from metal compounds. A student carries out flame tests on some of the metal compounds used in fireworks.
Give the colour of the flame produced by a compound containing lithium ions, Li+\mathrm{Li^{+}}Li+.
A firework compound gives a lilac flame. Name the metal ion in this compound.
A firework compound gives a yellow flame. Name the metal ion in this compound.
Describe how the student should carry out a flame test on a solid compound.
Give the colour of the flame produced by a compound containing copper ions, Cu2+\mathrm{Cu^{2+}}Cu2+.
35 exam-style questions on Edexcel GCSE Chemistry 10.1 Qualitative analysis: tests for ions, covering 10.1.1 Principles of ion tests and flame tests, 10.1.2 Tests for cations and for ammonia, 10.1.3 Tests for anions, 10.1.4 Identification of ions in unknown salts, and 10.1.5 Instrumental methods of analysis. Each one has a worked solution and a mark scheme showing where the marks go.