GCSE Chemistry – Half equations

Last updated: 13/04/2020
Edexcel GCSE Science – Combined science higher Chemical changes GCSE Chemistry – Half equations

Learning Objectives

-I can write balanced half equations to describe what happens at each electrode

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  1. Current
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  3. Answered

  1. What is the definition of a half equation?

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  2. What is the definition of oxidation?

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  3. What is the definition of reduction?

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  4. What happens at the electrodes?

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  5. What is the definition of an anode?

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  6. What is the definition of a cathode?

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  7. What happens at the anode?

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  8. What happens at the anode?

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  9. What happens at the cathode?

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  10. What happens at the cathode?

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  11. What type of ions are attracted to the anode?

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  12. What type of ions are attracted to the cathode?

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  13. Lead bromide is undergoing electrolysis. Which type of atoms will be involved in the half equation written at the cathode?

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  14. Lead bromide is undergoing electrolysis. Which type of atoms will be involved in the half equation written at the anode?

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  15. Lead bromide is undergoing electrolysis. Write the half equation for the reaction at the cathode.

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  16. Lead bromide is undergoing electrolysis. Write the half equation for the reaction at the anode.

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