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Electrolysis and Electrolytes

Copper and si...

Question

Copper and silver voltameters are connected in series. If 0.8 g of copper is deposited in copper voltameters, then the amount of silver deposited in silver voltameter will be (chemical equivalents of copper and silver are 32 and 108 respectively)

A

0.27 kg

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B

2.7 kg

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C

27 g

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D

2.7 g

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Solution

The correct option is D 2.7 g
We know, $M = Z i t$
So, $\frac{M_{1}}{M_{2}} = \frac{Z_{1}}{Z_{2}}$
or, $M_{2} = \frac{Z_{2} M_{1}}{Z_{1}} = \frac{108}{32} \times 0.8 = 2.7$ g

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