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In the electrolysis of H2O , 11.2 liters...

In the electrolysis of `H_2O `, 11.2 liters of `H_2` was liberated at cathode at NTP. How much `O_2` will be liberated at anode under the same conditions.

A

11.2 L

B

22.4 L

C

5.6 L

D

3.6 L

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