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1.1 Formulae, equations and hazards

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Question 11
H

Aluminium powder displaces copper from copper(II) chloride solution.

Which is the balanced ionic equation for this reaction?

[1]
A

Al+Cu2+→Al3++Cu\mathrm{Al} + \mathrm{Cu^{2+}} \rightarrow \mathrm{Al^{3+}} + \mathrm{Cu}Al+Cu2+→Al3++Cu

B

3Al+2Cu2+→3Al3++2Cu3\mathrm{Al} + 2\mathrm{Cu^{2+}} \rightarrow 3\mathrm{Al^{3+}} + 2\mathrm{Cu}3Al+2Cu2+→3Al3++2Cu

C

2Al+3Cu2+→2Al3++3Cu2\mathrm{Al} + 3\mathrm{Cu^{2+}} \rightarrow 2\mathrm{Al^{3+}} + 3\mathrm{Cu}2Al+3Cu2+→2Al3++3Cu

D

2Al+3Cu+→2Al3++3Cu2\mathrm{Al} + 3\mathrm{Cu^{+}} \rightarrow 2\mathrm{Al^{3+}} + 3\mathrm{Cu}2Al+3Cu+→2Al3++3Cu

Markscheme

1.1 Formulae, equations and hazards Questions

  1. GCSE
  2. /Chemistry
  3. /1.1 Formulae, equations and hazards

47 exam-style questions on Edexcel GCSE Chemistry 1.1 Formulae, equations and hazards, covering 1.1.1 Formulae, word and balanced equations, 1.1.2 Balanced ionic equations, and 1.1.3 Hazard symbols and risk in practical work. Each one has a worked solution and a mark scheme showing where the marks go.

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