The quantitiy of electricity required to liberate 112 `cm^(3)` of hydrogen at STP from acidified water is
The quantitiy of electricity required to liberate 112 `cm^(3)` of hydrogen at STP from acidified water is
A. `965C`
B. 1Faraday
C. 0.1F
D. 96500C.
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Correct Answer - A
`2H^(+)+underset(2F)(2e^(-))rarrunderset(22400cm^(3))(H_(2))`
To liberate 22400 `cm^(3)` at STP electricity required =`2xx96500C`
To liberate 112 `cm^(2)` at STP electricity required
`=(2xx96500xx112)/(22400)`
=965C
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