Question

Electricity is being produced through acidified water.
(A) Write an equation for the reaction.
(B) Name the reaction.

Answer 1

Answer:

Electrolysis is passing an electric current through a liquid containing ions so that decomposition reaction takes place.

When an electric current is passed through acidified water, it decomposes to give hydrogen and oxygen gas. The hydrogen gas is obtained at the cathode and the oxygen gas is obtained at the anode.

The reaction for decomposition of water into oxygen and hydrogen is as follows:

2H2O(l) -------> 2H2(g) + O2(g)

Thus, the number of hydrogen molecules produced is twice the number of oxygen molecules. So, electrolysis of water produces 2 volumes of hydrogen gas and 1 volume of oxygen gas because the ratio of hydrogen and oxygen elements in water is 2:1 by volume. Therefore, the amount of gases collected in two test tubes is not equal.

Explanation:

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Answer 2

Explanation:

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