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8.3 Identification of ions by chemical and spectroscopic means

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Question 11
H

A student is given a solution of a single ionic compound. The compound contains one metal ion and one negative ion.

a.

Describe how the student could use two different chemical tests to identify the metal ion in the solution. Give the results the student should look for.

[4]
b.

The flame test gives a yellow flame and no precipitate forms with sodium hydroxide solution. Give the metal ion present.

[1]
c.

Explain why the student must clean the wire loop between flame tests.

[2]
Markscheme

8.3 Identification of ions by chemical and spectroscopic means Questions

  1. GCSE
  2. /Chemistry
  3. /8.3 Identification of ions by chemical and spectroscopic means

40 exam-style questions on AQA GCSE Chemistry 8.3 Identification of ions by chemical and spectroscopic means, covering 8.3.1 Flame tests, 8.3.2 Metal hydroxides, 8.3.3 Carbonates, 8.3.4 Halides, 8.3.5 Sulfates, 8.3.6 Instrumental methods, and 8.3.7 Flame emission spectroscopy. Each one has a worked solution and a mark scheme showing where the marks go.

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