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State one factor that affects the preferential discharge of ions at the cathode
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Jun 22, 2021
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Chemistry Form 4
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anony mous
State one factor that affects the preferential discharge of ions at the cathode
Sodium sulphate was electrolysed using inert electrodes. Write the equation for the (2) reaction that takes place at the:
cathode
Anode
electrolysis
chemical reaction
chemical equation
cathodes
anodes
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Jun 22, 2021
by
anony mous
Nature of the electrolyte
Concentration
Position of the element in the reactivity series
Position of the electrochemical series
2H
+
(aq) + 2e
−
→ H
2
(g)
OR
4H
+
(aq) + 4e
−
→ 2H
2
(g)
4OH
−
(aq) →2H
2
O(l) + O
2
(g) + 4e
−
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