Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Chapter
Reactivity Series
163 practice questions
Topics covered
- Displacement reactions involving metal oxides20 practice questions
- Oxidation and reduction19 practice questions
- Displacement reactions involving solutions of salts19 practice questions
- Reactions of metals with water18 practice questions
- Reactions of metals with dilute acids19 practice questions
- Making predictions using the reactivity series19 practice questions
- Preventing rusting by galvanising21 practice questions
- Preventing rusting by using sacrificial protection18 practice questions
Practice questions
11–20 of 66 · Easy
Question 11
2 marks · Easy
Answer and see the solution →The equation below represents a reaction: \[ 2Ag_2O \rightarrow 4Ag + O_2 \] State the oxidising agent and the reducing agent in this reaction.
(a)[1 mark]Identify the oxidising agent.
(b)[1 mark]Identify the reducing agent.
Question 12
2 marks · Easy
Answer and see the solution →Explain in terms of electrons what happens to sodium in the following reaction:
Question 13
3 marks · Easy
Answer and see the solution →The table shows whether substances gain or lose oxygen in a reaction.
Substance Oxygen gained/lost A gains oxygen B loses oxygen C no change (a)[1 mark]Which substance is being oxidised?
(b)[1 mark]Which substance is being reduced?
(c)[1 mark]State the meaning of oxidation in terms of oxygen transfer.
Question 14
1 mark · Easy
Answer and see the solution →In a reaction, chlorine gas (Cl_2) acts as an oxidising agent. What does it do in terms of oxygen transfer?
Question 15
3 marks · Easy
Answer and see the solution →The following equation shows a redox reaction: Describe, in terms of electrons, what happens to:
(a)[1 mark]the zinc atoms
(b)[1 mark]the copper ions
(c)[1 mark]State which is oxidised and which is reduced.
Question 16
2 marks · Easy
Answer and see the solution →A student heats 5.0 g of lead in a stream of oxygen and forms 5.4 g of lead(II) oxide, according to the equation:
Calculate the mass of oxygen that has combined with the lead. State, in terms of oxygen transfer, what has happened to the lead.
Question 17
1 mark · Easy
Answer and see the solution →State the ionic equation for the reaction of magnesium with copper(II) sulfate solution.
Question 18
3 marks · Easy
Answer and see the solution →Nickel metal is added to a solution of iron(II) nitrate.
(a)[1 mark]State the formula of a spectator ion in this reaction.
(b)[2 marks]Explain what is meant by a spectator ion in a displacement reaction.
Question 19
2 marks · Easy
Answer and see the solution →Write the ionic half-equation for the oxidation step, showing iron metal reacting to form iron(II) ions in a displacement reaction.
Question 20
2 marks · Easy
Answer and see the solution →In the reaction:
State which substance acts as the oxidising agent and which acts as the reducing agent. Explain your answer in terms of electron transfer.