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Standard electrode potentials E⦵, standard cell potentials E⦵cell and the Nernst equation: CAIE A‑Level Chemistry questions

Every CAIE A-Level Chemistry exam question on 24.2 Standard electrode potentials E⦵, standard cell potentials E⦵cell and the Nernst equation, June 2024 and the specimen papers, with its mark scheme and examiner’s report.

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312 questions

  1. Q2(e)

    June 2024 · Paper 4

    2 marks24.2 Standard electrode potentials E⦵, standard cell potentials E⦵cell and the Nernst equation
    The whole paper ↗
    June 2024 Paper 4, question 2(e): An electrochemical cell uses Ag2O as the positive electrode and Zn as the negative electrode immersed in an alkaline electrolyte. The overall cell reaction is s

  2. Q3(g)

    June 2024 · Paper 4

    2 marks24.2 Standard electrode potentials E⦵, standard cell potentials E⦵cell and the Nernst equation
    The whole paper ↗
    June 2024 Paper 4, question 3(g): A fuel cell is an electrochemical cell that can be used to generate electrical energy by using oxygen to oxidise a fuel. Ethanedioic acid, (COOH)2, dissolved in

  3. Q4(a)

    June 2024 · Paper 4

    2 marks24.2 Standard electrode potentials E⦵, standard cell potentials E⦵cell and the Nernst equation
    The whole paper ↗
    June 2024 Paper 4, question 4(a): Define standard electrode potential, Eo, including a description of standard conditions. [2]

  4. Q4(b)(i)

    June 2024 · Paper 4

    3 marks24.2 Standard electrode potentials E⦵, standard cell potentials E⦵cell and the Nernst equation
    The whole paper ↗
    June 2024 Paper 4, question 4(b)(i): An electrochemical cell is set up to measure Eo of the Ag+(aq)/Ag(s) electrode. Draw a labelled diagram of this electrochemical cell. Include all necessary subs

  5. Q4(b)(ii)

    June 2024 · Paper 4

    1 mark24.2 Standard electrode potentials E⦵, standard cell potentials E⦵cell and the Nernst equation
    The whole paper ↗
    June 2024 Paper 4, question 4(b)(ii): A separate electrochemical cell is set up using a lower concentration of Ag+(aq) than that used in (b)(i). Suggest how the electrode potential, E, for the Ag+(a

  6. Q7(c)(i)

    Specimen · Paper 4

    1 mark24.2 Standard electrode potentials E⦵, standard cell potentials E⦵cell and the Nernst equation
    The whole paper ↗
    Specimen Paper 4, question 7(c)(i): Write an equation for this reaction. [1]

  7. Q7(c)(ii)

    Specimen · Paper 4

    1 mark24.2 Standard electrode potentials E⦵, standard cell potentials E⦵cell and the Nernst equation
    The whole paper ↗
    Specimen Paper 4, question 7(c)(ii): Calculate E ɵ cell for this reaction. [1]
All 7 questions on Standard electrode potentials E⦵, standard cell potentials E⦵cell and the Nernst equation, as a list
  1. June 2024, Paper 4, Q2(e) (2 marks): An electrochemical cell uses Ag2O as the positive electrode and Zn as the negative electrode immersed in an alkaline electrolyte. The overall cell reaction is s
  2. June 2024, Paper 4, Q3(g) (2 marks): A fuel cell is an electrochemical cell that can be used to generate electrical energy by using oxygen to oxidise a fuel. Ethanedioic acid, (COOH)2, dissolved in
  3. June 2024, Paper 4, Q4(a) (2 marks): Define standard electrode potential, Eo, including a description of standard conditions. [2]
  4. June 2024, Paper 4, Q4(b)(i) (3 marks): An electrochemical cell is set up to measure Eo of the Ag+(aq)/Ag(s) electrode. Draw a labelled diagram of this electrochemical cell. Include all necessary subs
  5. June 2024, Paper 4, Q4(b)(ii) (1 mark): A separate electrochemical cell is set up using a lower concentration of Ag+(aq) than that used in (b)(i). Suggest how the electrode potential, E, for the Ag+(a
  6. Specimen, Paper 4, Q7(c)(i) (1 mark): Write an equation for this reaction. [1]
  7. Specimen, Paper 4, Q7(c)(ii) (1 mark): Calculate E ɵ cell for this reaction. [1]

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