Question

34. Describe the bulk preparation of dihydrogen by
a. Electrolysis of Brine solution
b. Steam treatment of hydrocarbon​

Answer 1

Answer:

To prepare dihydrogen, electrolysis of acidified or alkaline water using platinum electrodes is carried oiut. At cathode, water is reduced and at anode, hydroxide ions are oxidized.

2H +2e →H 2(g)↑

4OH  − 4e −→2H 2O(l)+O 2(g)↑

Electrolytes such as acids or bases increase the electrical conductivity of water and the rate of electrolysis.

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