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Application of Electrolysis

What is the v...

Question

What is the volume of $O_{2}$ liberated at anode at STP in the electrolysis of $C d S O_{4}$ solution when a current of 2 A is passed for 8 min?

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Solution

$v = 2 A$ , $t = 480 s e c$
$Q = i . t = (2 \times 480) c o u l o m b$
Number of faraday $= (\frac{960}{96500}) = 9.94 \times 10^{- 3} F$
Since 1F produces 5.6litre of $O_{2}$ at STP
$∴ 9.94 \times 15^{3} F$ produces $(5.6 \times 9.94 \times 10^{- 3})$ litre
$= 0.056 l i t r e$

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