Home Chemistry D and F - Block Elements General Silver chloride is treated with aqueous sodi…
Chemistry D and F - Block Elements General Subjective Type
Published on: August 12, 2026

Silver chloride is treated with aqueous sodium cyanide & the product thus formed is allowed to react with zinc in alkaline medium.

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AgCl dissolves in NaCN forming a complex sodium argento cyanide. The addition of Zn precipitates silver.

AgCl + 2 NaCN → Na Ag (CN) 2 + NaCl

2Na Ag(CN) 2 + Zn → K 2 Zn (CN) 4 + 2Ag

Hot & concentrated nitric acid react with Copper.

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