Question

9. Construct a galvanic cell using the following reactions. Look up E° values

(a) MnO4 (aq)

- + e

- → MnO4

2-

(aq)

(b) Zn

2+

(aq) + 2e- → Zn(s)

(i) What type of electrodes are used at the anode and cathode and why?

(ii) Write the reaction at the anode and cathode

(iii) Write the overall reaction and calculate the cell potential

(iv) Write the line notation for the reaction above

Answer 1

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