Question

7. In the electrolysis of water: a.
Name the gas collected at the
cathode and anode respectively. b.Why is the volume of one gas
collected at one electrode is double that at the other ? Name the gas. ​

Answer 1

Answer:

Answer. b) In the electrolysis of water, the gas collected at cathode is hydrogen and the gas collected at anode is oxygen. The gas which is collected in double amount is hydrogen. This is because water contains two molecules as compared to one molecule of oxygen.

Answer 2

Answer:

a) Hydrogen is collected at cathode and oxygen and is collected at anode.

b)We know that,water is formed by 2 atom of hydrogen and 1 atom of oxygen.That's amount of hydrogen is double than oxygen gas.

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