GCSE Chemistry – Ionic equations

Last updated: 23/06/2020

CCEA GCSE Science – Combined science higher Symbols, formulae and equations GCSE Chemistry – Ionic equations

Learning Objectives

-I can write balanced ionic equations

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Question 1 of 25

1. Question
What is the definition of an ion?
- An electrically charged particle formed when an atom gains or loses electrons
- An electrically charged particle formed when an atom gains or loses protons
- An electrically charged particle formed when an atom gains or loses neutrons
- An electrically charged particle formed when an atom gains or loses isotopes
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Question 2 of 25

2. Question
What is the definition of an ionic equation?
- A chemical reaction that shows how positive ions react with negative ions
- A chemical reaction that shows how positive ions react with neutral ions
- A chemical reaction that shows how neutral ions react with negative ions
- A chemical reaction that shows the neutralisation of ions
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Question 3 of 25

3. Question
Write the ionic equation for the reaction between barium chloride and sulfuric acid.
- $Ba^{2+}(aq) + SO_4^{2-}(aq) -> BaSO_4(s)$
- $Ba^{2+}(aq) + SO_4^{2-}(aq) -> BaSO_4(s) + H_2O(l)$
- $Ba^+(aq) + SO_4^-(aq) -> BaSO_4(s)$
- $Ba^{2+}(aq) + SO_4^{2-}(aq) -> Ba_2SO_4(s) + H_2O(l)$
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Question 4 of 25

4. Question
Write the ionic equation for the reaction between ammonia and nitric acid.
- $NH_3(aq) + H^+(aq) -> NH_4^+(aq)$
- $NH^4+(aq) + H^+(aq) -> NH_3(aq)$
- $NH_3(aq) + NO_3^+(aq) -> NH_3NO_3(aq)$
- $NO_3^-(aq) + NH_4^+(aq) -> NO_3^-NH_4^+(aq)$
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Question 5 of 25

5. Question
Write the ionic equation for the reaction between sodium hydroxide and ammonia.
- $NH_4^+(aq) + OH^-(aq) -> NH_3(g) + H_2O(l)$
- $NH_4^{2+}(aq) + OH^-(aq) -> NH_4(aq) + H_2O(l)$
- $NH_4^+(aq) + OH^-(aq) -> NH_3(g) + H_2(g)$
- $NH_4^+(aq) + OH^-(aq) -> NH_3(g)$
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Question 6 of 25

6. Question
Write the ionic equation for the reaction between hydrochloric acid and potassium hydroxide.
- $H^+(aq) + OH^-(aq) -> H_2O(l)$
- $K^+(aq) + OH^-(aq) -> KOH(aq)$
- $H^+(aq) + Cl^-(aq) -> HCl(l)$
- $K^+(aq) + Cl^-(aq) -> KCl(s)$
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Question 7 of 25

7. Question
Write the ionic equation for the reaction between sulfuric acid and sodium hydroxide.
- $H^+(aq) + OH^-(aq) -> H_2O(l)$
- $Na^+(aq) + SO_4^{2-}(aq) -> NaSO_4(s)$
- $Na^+(aq) + SO_4^{2-}(aq) -> Na_2SO_4(s)$
- $Na^+(aq) + H^-(aq) -> NaH(g)$
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Question 8 of 25

8. Question
Write the ionic equation for the reaction between calcium and sulfuric acid.
- $Ca(s) + 2H^+(aq) -> Ca^{2+}(aq) + H_2$
- $Ca^{2+}(aq) + SO_4^{2-}(aq) -> CaSO_4(s)$
- $2H^+(aq) + SO_4^{2-}(aq) -> H_2SO_4(aq)$
- $Ca(s) + 2H^+(aq) -> Ca^+(aq) + H_2(g)$
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Question 9 of 25

9. Question
Write the ionic equation for the reaction between copper oxide and hydrochloric acid.
- $CuO(s) + 2H^+(aq) -> Cu^{2+}(aq) + H_2O(l)$
- $CuO(aq) + 2H^+(aq) -> Cu^{2+}(aq) + H_2O(l)$
- $CuO(s) + H^+(aq) -> Cu^{2+}(aq) + H_2(g)$
- $CuO(s) + H^+(aq) -> Cu^{2+}(aq) + H_2O(l)$
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Question 10 of 25

10. Question
Write the ionic equation for the reaction between sodium hydroxide and nitric acid.
- $H^+(aq) + OH^-(aq) -> H_2O(l)$
- $Na^+(aq) + NO^{3-}(aq) -> NaNO_3(s)$
- $Na^+(aq) + OH^-(aq) -> NaOH(aq)$
- $Na^+(aq) + H^+(aq) -> NaOH(s)$
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Question 11 of 25

11. Question
Write the ionic equation for the reaction between magnesium and hydrochloric acid.
- $Mg(s) + 2H^+(aq) -> Mg^{2+}(aq) + H_2(g)$
- $Mg(s) + 2H_2^+(aq) -> Mg^{2+}(aq) + H_2(g)$
- $Mg(s) + H^+(aq) -> Mg^{2+}(aq)$
- $Mg(s) + 2H^+(aq) -> Mg^{2+}(aq) + H_2O(l)$
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Question 12 of 25

12. Question
Write the ionic equation for the reaction between chlorine and bromine.
- $Cl_2(aq) + 2Br^-(aq) -> 2Cl^-(aq) + Br_2(aq)$
- $Br_2(aq) + 2Cl^-(aq) -> 2Br^-(aq) + Cl_2(aq)$
- $Cl^-(aq) + Br^-(aq) -> ClBr(aq)$
- $Cl_2(aq) + Br^-(aq) -> Cl^-(aq) + Br_2(aq)$
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Question 13 of 25

13. Question
Write the ionic equation for the reaction between copper (II) sulfate and zinc.
- $Zn(s) + Cu^{2+}(aq) -> Zn^{2+}(aq) + Cu(s)$
- $Zn(s) + SO_4^{2-}(aq) -> ZnSO_4(s)$
- $Zn^{2+}(s) + Cu(aq) -> Zn(aq) + Cu^{2+}(s)$
- $Zn(aq) -> Zn^{2+}(aq) + e^-$
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Question 14 of 25

14. Question
Write the ionic equation for the reaction between chlorine and iodine.
- $Cl_2(aq) + 2I^-(aq) -> 2Cl^-(aq) + I_2(aq)$
- $I_2(aq) + 2Cl^-(aq) -> 2I^-(aq) + Cl_2(aq)$
- $Cl^-(aq) + I^-(aq) -> ICl(aq)$
- $Cl_2(aq) + I^-(aq) -> Cl^-(aq) + I_2(aq)$
Correct

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Question 15 of 25

15. Question
Write the ionic equation for the reaction between sodium carbonate and nitric acid.
- $CO_3^{2-}(aq) + 2H^+(aq) -> H_2O(l) + CO_2(g)$
- $Na^+(aq) + NO^{3-}(aq) -> NaNO_3(s)$
- $CO_3^{2-}(aq) + H^+(aq) -> H_2O(l)$
- $2Na^+(aq) + CO_3^{2-}(aq) -> Na_2CO_3(s)$
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Question 16 of 25

16. Question
Write the ionic equation for the reaction between bromine and iodine.
- $Br_2(aq) + 2I^-(aq) -> 2Br^-(aq) + I_2(aq)$
- $Br_2(aq) + I^-(aq) -> Br^-(aq) + I_2(aq)$
- $Br^-(aq) + I^-(aq) -> IBr(aq)$
- $I_2(aq) + 2Br^-(aq) -> 2I^-(aq) + Br_2(aq)$
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Question 17 of 25

17. Question
Write the ionic equation for the reaction between phosphoric acid and calcium chloride.
- $2PO_4^{3-}(aq) + 3Ca^{2+} (aq) -> Ca_3(PO_4)_2(s)$
- $PO_4^{3-}(aq) + 3Ca^+(aq) -> Ca_3PO_4(s)$
- $PO_4^{3-}(aq) + Ca^{2+}(aq) -> Ca_3(PO_4)_2(s)$
- $PO_4^{2-}(aq) + Ca^{2+}(aq) -> CaPO_4(s)$
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Question 18 of 25

18. Question
Write the ionic equation for the reaction between a carbonate ion and hydrochloric acid.
- $CO_3^{2-}(s) + 2H^+ (aq) -> CO_2(g) + H_2O(l)$
- $CO_3^{2-}(s) + 2H^+ (aq) -> CO_2(g)$
- $CO_3^-(s) + H^+ (aq) -> CO_2(g)$
- $CO_3^{2-}(aq) + 2H^+ (aq) -> CO_2(g) + H_2O(l)$
Correct

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Question 19 of 25

19. Question
Write the ionic equation for the reaction between silver (I) nitrate and sodium sulfate.
- $Ag^+(aq) + SO_4^{2-}(aq) -> Ag_2SO_4(s)$
- $Ag^+(aq) + SO_4^{2+}(aq) -> Ag_2SO_4(s)$
- $Ag^{2+}(aq) + SO_4^-(aq) -> Ag(SO_4)_2(s)$
- $Ag^{2+}(aq) + SO_4^{-2}(aq) -> AgSO_4(s)$
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Question 20 of 25

20. Question
Write the ionic equation for the reaction between sodium and hydrochloric acid.
- $2Na(s) + 2H^+(aq) -> 2Na^+(aq) + H_2(g)$
- $Na(s) + H^+(aq) -> Na^+(aq)$
- $Na(s) + H^+(aq) -> Na^+(aq) + H_2(g)$
- $2Na^+(s) + 2H^+(aq) -> 2Na(aq) + H_2(g)$
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Question 21 of 25

21. Question
Write the ionic equation for the reaction between hydrochloric acid and lithium hydroxide.
- $H^+(aq) + OH^-(aq) -> H_2O(l)$
- $H^+(aq) + Cl^-(aq) -> HCl(l)$
- $Li^+(aq) + OH^-(aq) -> LiOH(aq)$
- $Li^+(aq) + Cl^-(aq) -> LiCl(s)$
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Question 22 of 25

22. Question
Write the ionic equation for the reaction between hydrochloric acid and sodium hydroxide.
- $H^+(aq) + OH^-(aq) -> H_2O(l)$
- $H^+(aq) + Cl^-(aq) -> HCl(l)$
- $Na^+(aq) + OH^-(aq) -> NaOH(aq)$
- $Na^+(aq) + Cl^-(aq) -> NaCl(s)$
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Question 23 of 25

23. Question
Silver nitrate is added to a suspected halide. A white precipitate is formed. Write the ionic equation for this reaction.
- $Ag^+(aq) + Cl^-(aq) -> AgCl(s)$
- $Ag^+(aq) + I^-(aq) -> Agl(s)$
- $Ag^+(aq) + F^-(aq) -> AgF(s)$
- $Ag^+(aq) + Br^-(aq) -> AgBr(s)$
Correct

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Question 24 of 25

24. Question
Silver nitrate is added to a suspected halide. A cream precipitate is formed. Write the ionic equation for this reaction.
- $Ag^+(aq) + Br^-(aq) -> AgBr(s)$
- $Ag^+(aq) + I^-(aq) -> Agl(s)$
- $Ag^+(aq) + F^-(aq) -> AgF(s)$
- $Ag^+(aq) + Cl^-(aq) -> AgCl(s)$
Correct

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Question 25 of 25

25. Question
Silver nitrate is added to a suspected halide. A yellow precipitate is formed. Write the ionic equation for this reaction.
- $Ag^+(aq) + I^-(aq) -> Agl(s)$
- $Ag^+(aq) + Br^-(aq) -> AgBr(s)$
- $Ag^+(aq) + F^-(aq) -> AgF(s)$
- $Ag^+(aq) + Cl^-(aq) -> AgCl(s)$
Correct

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