Pearson Edexcel International GCSE (9–1) · CHEMISTRY · Unit
Inorganic Chemistry
869 practice questions
Topics covered
- The Alkali Metals85 practice questions
- The Halogens86 practice questions
- Gases in the Atmosphere86 practice questions
- Reactivity Series163 practice questions
- Extraction and Uses of Metals128 practice questions
- Acids, Alkalis and Titrations83 practice questions
- Acids, Bases and Salt Preparations156 practice questions
- Chemical Tests68 practice questions
Practice questions
311–320 of 869
Question 311
2 marks · Normal
Answer and see the solution →Write the ionic half-equation for the reduction that takes place when lead metal is formed from lead(II) ions.
Question 312
4 marks · Normal
Answer and see the solution →When manganese metal is placed in a solution of iron(II) sulfate, a displacement reaction occurs.
(a)[1 mark]State the oxidising agent in this reaction.
(b)[1 mark]State the reducing agent in this reaction.
(c)[2 marks]Explain why manganese is the reducing agent in terms of electron transfer.
Question 313
2 marks · Hard
Answer and see the solution →When iron metal is placed in a solution of copper(II) sulfate, a reaction occurs in which copper metal forms. Write the balanced ionic equation for this displacement reaction.
Question 314
5 marks · Hard
Answer and see the solution →A piece of magnesium is placed in a solution of nickel(II) chloride. Magnesium displaces nickel from the solution.
(a)[1 mark]Identify the spectator ion present in this reaction.
(b)[2 marks]Explain what is meant by a spectator ion in a displacement reaction.
(c)[1 mark]State, in terms of electron transfer, which ion acts as the oxidising agent in this reaction.
(d)[1 mark]State, with a reason, which atom or ion acts as the reducing agent.
Question 315
2 marks · Hard
Answer and see the solution →When zinc metal reacts with iron(II) sulfate solution, write the ionic half-equation for the reduction step in this displacement reaction.
Question 316
1 mark · Easy
Answer and see the solution →State the general word equation for the reaction of a metal with cold water.
Question 317
3 marks · Easy
Answer and see the solution →Potassium reacts vigorously when added to a trough of cold water.
(a)[2 marks]Describe two observations you would make during this reaction.
(b)[1 mark]Name the gas produced in this reaction.
Question 318
2 marks · Easy
Answer and see the solution →Explain, using the reactivity series, why gold does not react with either cold water or steam.
Question 319
3 marks · Easy
Answer and see the solution →The table shows some metals and their reactions with water or steam:
Metal Reacts with cold water? Reacts with steam? Potassium Yes No Calcium Yes No Magnesium No Yes Copper No No (a)[1 mark]Identify one metal from the table that reacts only with steam but not with cold water.
(b)[1 mark]State the general word equation for the reaction of this metal with steam.
(c)[1 mark]Name the gas produced in this reaction.
Question 320
1 mark · Easy
Answer and see the solution →State one observation when calcium reacts with cold water.