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1 markRedox Equilibria

CAPE Chemistry Unit 1 · 2017 · Paper 2 · Question 2(c)(iv)

The electrochemical cell at 298 K is represented by the following notation: Pt(s) | I₂(s), I⁻(aq) || Ag⁺(aq) | Ag(s)

Refer to the data booklet to calculate the standard cell potential.

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Other parts of this question

  1. 2(a)Define the term 'standard electrode potential'.[2 marks]
  2. 2(b)Identify the parts of the standard hydrogen electrode labelled A and B in Figure 2.[2 marks]
  3. 2(c)(i)Construct a labelled diagram to represent this cell and indicate the direction of electron flow when the cell is operating.[4 marks]
  4. 2(c)(ii)Write the relevant equations to represent the change taking place at the anode and the cathode. Anode: Cathode:[2 marks]
  5. 2(c)(iii)Write the balanced equation for the OVERALL cell reaction.[2 marks]
  6. 2(d)List TWO types of energy storage devices.[2 marks]

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