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On electrolysis of a sample of acidified water, `22.4` ml of hydrogen was obtained. The volume of oxygen in ml obtained is

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On electrolysis of a sample of acidified water, `22.4` ml of hydrogen was obtained. The volume of oxygen in ml obtained is
A. `22.4`
B. `44.8`
C. `11.20`
D. `2.24`
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Correct Answer - C
`2.8 " lit"O_(2)=4gm` at STP
use `W_(1)/W_(2)=E_(1)/E_(2)`
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