Question

Q8.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 ​

Answer 1

Answer:

b) 2:1

Explanation:

The formula of water is H2O

It contain 2 moles of H and 1 moles of oxygen

so molar ratio of hydrogen and oxygen gases = 2:1