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Van Arkel - De Boer Method

In the form o...

Question

In the form of by-product, tungsten in mainly obtained during the electrolytic refining of:

A

P b

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B

S n

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C

C u

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D

A l

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Solution

The correct option is C $S n$
As cassiterite ore of tin contains tungsten as impurity in form of $F e W O_{4}$ and $M n W O_{4}$ .
So, during electrolysis refining of tin, tungsten is formed as by product.

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