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
301–310 of 869
Question 301
3 marks · Easy
Answer and see the solution →The table shows the results of placing samples of metals in solutions of metal nitrates:
Results of Displacement Experiments Metal added Metal nitrate solution Observation Aluminium Silver nitrate Grey crystals form Copper Zinc nitrate No change Iron Copper(II) nitrate Reddish-brown deposit Magnesium Lead(II) nitrate Grey solid forms (a)[1 mark]Write the ionic equation for the reaction when aluminium is added to silver nitrate solution.
(b)[2 marks]Which metal does not react in its experiment? Explain why based on the data.
Question 302
1 mark · Easy
Answer and see the solution →Give the formula of the spectator ion present when potassium metal reacts with sodium chloride solution.
Question 303
3 marks · Easy
Answer and see the solution →Chromium is added to copper(II) sulfate solution. Chromium displaces copper from the solution.
(a)[2 marks]Write the ionic half-equation for the reduction step.
(b)[1 mark]Write the ionic half-equation for the oxidation step.
Question 304
2 marks · Easy
Answer and see the solution →In a reaction between calcium metal and tin(II) sulfate solution, calcium displaces tin.
State which substance is the oxidising agent and which is the reducing agent, giving your answer in terms of electron transfer.
Question 305
2 marks · Normal
Answer and see the solution →Write the ionic equation for the reaction that occurs when a strip of magnesium is placed into a solution of iron(II) sulfate.
Question 306
4 marks · Normal
Answer and see the solution →Aluminium reacts with a solution of copper(II) nitrate.
(a)[1 mark]State the formula of a spectator ion in this reaction.
(b)[1 mark]Explain what is meant by the term 'spectator ion'.
(c)[2 marks]Identify the spectator ion(s) in the following equation:
Question 307
3 marks · Normal
Answer and see the solution →Silver is displaced from a solution of silver nitrate by magnesium metal. Write balanced ionic half-equations for the oxidation and reduction steps in this reaction.
Question 308
3 marks · Normal
Answer and see the solution →In the reaction below, explain which substance is the oxidising agent and which is the reducing agent. Give your reasoning in terms of electron transfer.
Question 309
4 marks · Normal
Answer and see the solution →The table below shows observations from adding different metals to solutions of salts.
Observations of displacement reactions Metal added Solution Observation Zinc Copper(II) sulfate Brown solid forms; blue solution fades Copper Silver nitrate Grey crystals form; colourless solution turns blue Iron Magnesium sulfate No visible change For each reaction in the table, write the full ionic equation showing the species that change during the reaction. Where no reaction occurs, state why.
Question 310
1 mark · Normal
Answer and check →Which of the following is a spectator ion in the reaction between zinc and copper(II) chloride solution?
- A.Zn^{2+}
- B.Cl^-
- C.Cu^{2+}
- D.Zn(s)