Question

12.- Electrolysis of water is a decomposition reaction. The mole ratio of hydrogen and you
gases liberated during electrolysis of water is
(b) 2:1
4:1
(d) 1:2
13. Banium chloride on reacting with ammonium sulphate forms barium sulphate and
ammonium sulphate forms barium sulphate and ammonium chloride. Which
of the following correctly represents the type of the reaction involved
(1) Displacement reaction
(m) Precipitation reaction
(n) Combination reaction
(0) Double displacement reaction
() () only
(b) (ii) only
(c) (iv) only
(d) (i) and (iv)
​

Answer 1

Explanation:

12.The water decomposes during electrolysis to form hydrogen and oxygen gases in the ratio 2 : 1 by volume

13.only double displacement

Answer 2

Answer:

The water decompose during electrolysis.

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