Extraction of $A g$ from sulphide ore and removal of unreacted silver halide from photographic plate involve complexes (respectively).

[A g (C N)_{2}]^{-}, [A g (S_{2} O_{3})_{2}]^{3 -}

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[A g (S_{2} O_{3})_{2}]^{3 -}, [A g (C N)_{2}]^{-}

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[A g (C N)_{2}]^{-}

in both

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[A g (S_{2} O_{3})_{2}]^{3 -}

in both

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Solution

The correct option is A $[A g (C N)_{2}]^{-}, [A g (S_{2} O_{3})_{2}]^{3 -}$
The complexes $[A g (C N)_{2}]^{-}$ and $[A g (S_{2} O_{3})_{2}^{3 -}]$ are used for the extraction of Ag from sulphide ore and removal of unreacted silver bromide from photographic plate.

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Similar questions

K C N, N H_{3}

N a_{2} S_{2} O_{3}

AgCl dissolved in excess $N H_{3}$ , $K C N$ and $N a_{2} S_{2} O_{3}$ solutions the complex produce ions.

A g^{+}

[A g (N H_{3})_{2}]^{+}, A g (C N)_{2}]^{-}, [A g (S_{2} O_{3})_{2}]^{3 -}

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