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During electrolysis of aqueous NaOH,4gof...

During electrolysis of aqueous `NaOH,4gof O_2` gas is liberated at NTP at anode, `H_2` gas liberated cathode is

A

2.8 litres

B

5.6 litres

C

11.2 litres

D

22.4 litres

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The correct Answer is:
B
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