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
751–760 of 869
Question 751
2 marks · Easy
Answer and see the solution →A student wishes to make an insoluble salt of strontium sulfate by mixing two suitable solutions.
Name two solutions the student can mix, and give the balanced chemical equation for the reaction.
Question 752
2 marks · Normal
Answer and see the solution →Describe how you would make an insoluble salt of calcium sulfate, starting from solutions of calcium nitrate and sodium sulfate.
Question 753
4 marks · Normal
Answer and see the solution →The insoluble salt lead(II) iodide can be made by a precipitation reaction involving lead(II) nitrate and potassium iodide.
(a)[2 marks]Write a balanced chemical equation, with state symbols, for this reaction.
(b)[2 marks]Write an ionic equation, with state symbols, for the formation of lead(II) iodide in this reaction.
Question 754
3 marks · Normal
Answer and see the solution →A precipitation reaction is carried out by mixing 50 cm^3 of 0.1 mol/dm^3 barium nitrate solution with excess potassium sulfate solution. The reaction forms barium sulfate as a precipitate according to the equation:
State the formula of the precipitate and name one spectator ion in the reaction.
Question 755
3 marks · Normal
Answer and see the solution →Explain why mixing solutions of barium chloride and sodium sulfate produces a white precipitate, but mixing barium chloride and sodium chloride does not.
Question 756
4 marks · Normal
Answer and see the solution →Three precipitation reactions are shown below. For each reaction, complete the table by writing a balanced ionic equation for the formation of the insoluble salt, including state symbols.
Precipitation Reactions Reaction Insoluble Salt Ionic Equation Silver nitrate + sodium bromide Silver bromide Lead(II) nitrate + potassium sulfate Lead(II) sulfate Barium chloride + sodium carbonate Barium carbonate Question 757
1 mark · Normal
Answer and check →Which of the following ions is a spectator ion in the reaction between barium nitrate and sodium sulfate?
- A.Ba^{2+}
- B.SO_4^{2-}
- C.Na^+
- D.BaSO_4
Question 758
2 marks · Normal
Answer and see the solution →State the names of two solutions you could mix to make an insoluble salt of silver bromide.
Question 759
4 marks · Normal
Answer and see the solution →Copper(II) sulfate is an insoluble salt that can be made by a precipitation reaction. It is required for an experiment.
(a)[2 marks]Write a balanced chemical equation, with state symbols, for the reaction between copper(II) nitrate solution and sodium sulfate solution to form copper(II) sulfate.
(b)[2 marks]Write the ionic equation, with state symbols, for the formation of copper(II) sulfate in this reaction.
Question 760
2 marks · Hard
Answer and see the solution →Write the balanced ionic equation, including state symbols, for the formation of lead(II) sulfate as a precipitate from aqueous solutions.