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Lead obtained from galena ore (PbS) by a...

Lead obtained from galena ore `(PbS)` by air reduction or carbon reduction process contains base metal `(cu, Bi, As, Sn,Zn)` as impurities.
The removal of the impurity of `Ag` from the commercial lead is called.

A

`PbSO_(4) + H_(2) SO_(4)`

B

`PbCl_(2) + HCl`

C

`PbSiF6 + H_(2) SiF_(6)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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