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3.3 Types of chemical reactions

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Question 59
H

Magnesium reacts with silver nitrate solution.

Mg+2Ag+→Mg2++2Ag \mathrm{Mg + 2Ag^{+} \rightarrow Mg^{2+} + 2Ag} Mg+2Ag+→Mg2++2Ag

Which statement describes the transfer of electrons in this reaction?

[1]
A

Each magnesium atom loses one electron and each silver ion gains one electron.

B

Each magnesium atom loses two electrons and each silver ion gains two electrons.

C

Each magnesium atom gains two electrons and each silver ion loses one electron.

D

Each magnesium atom loses two electrons and each silver ion gains one electron.

Markscheme

3.3 Types of chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /3.3 Types of chemical reactions

112 exam-style questions on OCR GCSE Chemistry 3.3 Types of chemical reactions, covering 3.3.1 Oxidation and reduction in terms of oxygen, 3.3.2 Acids, alkalis and neutralisation, 3.3.3 The pH scale and measuring pH, 3.3.4 Oxidation and reduction in terms of electrons, 3.3.5 Dilute and concentrated, weak and strong acids, and 3.3.6 Hydrogen ion concentration and pH. Each one has a worked solution and a mark scheme showing where the marks go.

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