Chemistry · May / June 2020 · Paper 12 · Question 17
5070Electrolysis
The chloride of metal X is dissolved in water. A concentrated solution of this chloride is electrolysed using inert electrodes. [diagram of electrolysis cell with inert anode and inert cathode in concentrated aqueous solution of chloride of metal X] X is above sodium in the reactivity series. In addition to chlorine, which gas is liberated and at which electrode?
- Ahydrogen anode
- Bhydrogen cathode
- Coxygen anode
- Doxygen cathode
As printed in the paper
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Correct answer: B. hydrogen cathode
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