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Question

Ag2S+NaCN+ZnAg
This method of extraction of Ag by complex formation and then displacement is called

A
Parke’s method
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B
Mc Arthur forest method
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C
Serpeck method
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D
Hall’s method
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Solution

The correct option is B Mc Arthur forest method
NaCN acts as a selective solvent and Zn acts as a reducing agent. This is a type of hydrometallurgy.

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