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4.1 Reactivity of metals

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Question 12
H

Which half equation shows the oxidation of magnesium?

[1]
A

Mg2++2e−→Mg\text{Mg}^{2+} + 2\text{e}^- \rightarrow \text{Mg}Mg2++2e−→Mg

B

Mg+2e−→Mg2−\text{Mg} + 2\text{e}^- \rightarrow \text{Mg}^{2-}Mg+2e−→Mg2−

C

Mg→Mg2++2e−\text{Mg} \rightarrow \text{Mg}^{2+} + 2\text{e}^-Mg→Mg2++2e−

D

Mg→Mg2−+2e−\text{Mg} \rightarrow \text{Mg}^{2-} + 2\text{e}^-Mg→Mg2−+2e−

Markscheme

4.1 Reactivity of metals Questions

  1. GCSE
  2. /Chemistry
  3. /4.1 Reactivity of metals

39 exam-style questions on AQA GCSE Chemistry 4.1 Reactivity of metals, covering 4.1.1 Metal oxides, 4.1.2 The reactivity series, 4.1.3 Extraction of metals and reduction, and 4.1.4 Oxidation and reduction in terms of electrons. Each one has a worked solution and a mark scheme showing where the marks go.

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