What are the reactions taking place at the two electrodes during electrolysis of fused `Al_2O_3 ` containing cryolite `(Na_3AlF_6)` ?

State the electrode reaction at the anode during electrolysis of: fused lead bromide.

State the electrode reaction at the respective electrodes during extraction of Al from Al_(2)O_(3)

Write equations for the reactions taking place at the two electrodes (mentioning clearly the name of the electrode) during the electrolysis of: Molten lead bromide with inert electrodes.

Write equations for the reactions taking place at the two electrodes (mentioning clearly the name of the electrode) during the electrolysis of: Acidified copper sulphate solution with copper electrodes.

Which of the following equations represents the reaction that takes place at the cathode during the electrolysis of aqueous silver nitrate with carbon electrodes ?

Write the equations for the reactions taking place at the two electrodes (mentioning clearly the name of the electrode ) during the electrolysis of Acidified copper sulphate solution with copper electrodes . (ii) Molten lead bromide with (graphite ) electrodes .

Write separate equations for the reactions which take place at the two electrodes when dilute sulphuric acid is electrolysed between two platinum electrodes .

Write the chemical reactions which take place in the following operations : Electrolytic reduction of Al_2O_3

Incorrect statement in electrolysis of Al_(2)O_(3) by Hall-Heroult process is :

Name the following: A gas other than oxygen obtained at the anode during electrolytic reduction of fused alumina [Al_2 O_3]