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Byju's Answer
Standard XII
Chemistry
Ores and Minerals
Ag 2 S + NaCN...
Question
A
g
2
S
+
N
a
C
N
+
Z
n
→
A
g
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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