Question

Find the time required to liberate 1.0 litre of hydrogen at STP in an electrolytic cell by a current of 5.0 A.

Answer 1

Answer:

Find the Time Required to Liberate 1.0 Litre of Hydrogen at Stp in an Electrolytic Cell by a Current of 5.0 A. Concept: Electric ...

Explanation:

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Answer 2

The time required for liberating 1.0 liter of hydrogen in an electrolytic cell by a current of 5.0 A is 29 minutes.

Explanation:

Let us consider that the time required is t.

1-liter hydrogen has the mass, m = 222.4 g

Let the current be 5A

As per faraday’s law of electrolysis => m = Zit

here,

 m = substance’s mass placed on the electrode

z = electrochemical equivalence

i = current

t = time

 When the values are substituted,

$\frac{2}{22.4}=5 \times \frac{t}{96500}$

So, t = 1723.21 seconds, which is around 29 minutes.