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Standard X
Chemistry
Electrochemical Principles
Silver is ext...
Question
Silver is extracted from its native ore by:
A
Formation of soluble complex by dilute solution of
N
a
C
N
in the presence of air followed by reduction with zinc.
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B
Formation of soluble complex by dilute solution of
N
a
C
N
in the absence of air followed by reduction with zinc.
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C
Roasting followed by the self-reduction.
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D
Roasting followed by electrolytic reduction.
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Solution
The correct option is
A
Formation of soluble complex by dilute solution of
N
a
C
N
in the presence of air followed by reduction with zinc.
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Native silver metal forms a water soluble complex with a dilute aqueous solution of
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(IIT-JEE, 2008)
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