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4.2 Reactions of acids

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Question 9
F

The formula of the aluminium ion is Al3+\text{Al}^{3+}Al3+ and the formula of the sulfate ion is SO42−\text{SO}_4^{2-}SO42−​.

What is the formula of aluminium sulfate?

[1]
A

AlSO4\text{AlSO}_4AlSO4​

B

Al(SO4)3\text{Al(SO}_4\text{)}_3Al(SO4​)3​

C

Al2(SO4)3\text{Al}_2\text{(SO}_4\text{)}_3Al2​(SO4​)3​

D

Al3(SO4)2\text{Al}_3\text{(SO}_4\text{)}_2Al3​(SO4​)2​

Markscheme

4.2 Reactions of acids Questions

  1. GCSE
  2. /Chemistry
  3. /4.2 Reactions of acids

40 exam-style questions on AQA GCSE Chemistry 4.2 Reactions of acids, covering 4.2.1a Reactions of acids with metals, 4.2.1b Redox in acid-metal reactions, 4.2.2 Neutralisation of acids and salt production, 4.2.3 Soluble salts, 4.2.4 The pH scale and neutralisation, 4.2.5a Titrations, 4.2.5b Calculating quantities in titrations, and 4.2.6 Strong and weak acids. Each one has a worked solution and a mark scheme showing where the marks go.

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