What is the ratio of the volume of hydrogen produced to the volume of oxygen?

2:1

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1:2

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1:3

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3:1

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Solution

The correct option is A 2:1
During electrolysis of water,
At anode: $2 H_{2} O \to O_{2} + 4 H^{+} + 4 e^{-}$
At cathode: $4 H_{2} O + 4 e^{-} \to 2 H_{2} + 4 O H^{-}$
So ratio of the volume of hydrogen produced to the volume of oxygen is 2:1.

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What is the ratio of the volume of hydrogen produced to the volume of oxygen?

The correct option is A 2:1During electrolysis of water,At anode: 2H2O→O2+4H++4e−At cathode: 4H2O+4e−→2H2+4OH−So ratio of the volume of hydrogen produced to the volume of oxygen is 2:1.

The correct option is A 2:1
During electrolysis of water,
At anode: $2 H_{2} O \to O_{2} + 4 H^{+} + 4 e^{-}$
At cathode: $4 H_{2} O + 4 e^{-} \to 2 H_{2} + 4 O H^{-}$
So ratio of the volume of hydrogen produced to the volume of oxygen is 2:1.