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  • Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is: (a) 1:1

Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and oxygen gases liberated during electrolysis of water is:

(a) 1:1

(b) 2:1

(c) 4:1

(d) 1:2

Answers (1)

Ans. (b)

The reaction is shown as:

2H_{2}O(l)\rightarrow 2H_{2}(g)+O_{2}(g)

1 Mole of water has 2 moles of Hydrogen and 1 mole of water.

Therefore, the mole ratio of hydrogen and oxygen gas liberated is 2:1.

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infoexpert21

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