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Complex formation for cyanide method is used for the extraction ofA. CuB. FeC. HgD. Ag |
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Answer» Correct Answer - D `Ag_(2)S + 4NaCN rarr 2Na[Ag(CN)_(2)] + Na_(2) S` `2Na[Ag(CN)_(2)]+ Zn rarr 2 Ag + Na_(2)[Zn(CN)_(4)]`. |
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