An aqueous solution of zinc sulphate is electrolysed using platinum electrodes as shown in the set up below.

      

An aqueous solution of zinc sulphate is electrolysed using platinum electrodes as shown in the set up below.


(a) (i) Write a half equation for the reaction taking place at electrode A.
(ii) Identify electrodes A and B
(iii) State and explain the observation at electrode B if copper plate was used instead of platinum electrode.

  

Answers

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(i)

(ii) A-Anode B-cathode

(iii) B reduces in size;copper anode dissolves

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maurice.mutuku answered the question on September 10, 2019 at 05:18

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