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Concentration of Ore

the native Ag...

Question

the native Ag forms a water soluble compound B with dilute aqueous solution of NaCN in the presence of a gas A the Ag metal is obtained by the addition of a metal C to B and complex D is formed as a by product write the structures of C and D and identify A and B in the following sequence; Ag+NaCN+H2O+A=B+OH+Na .[C]+[B]=[D]=Ag

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