Sodium thiosulphate is used to remove the une | vedclass

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(A) The reaction between sodium thiosulphate and $AgBr$ is given by: $AgBr(s) + 2Na_2S_2O_3(aq) \rightarrow Na_3[Ag(S_2O_3)_2](aq) + NaBr(aq)$ In the

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$2$

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(A) The reaction between sodium thiosulphate and $AgBr$ is given by: $AgBr(s) + 2Na_2S_2O_3(aq) \rightarrow Na_3[Ag(S_2O_3)_2](aq) + NaBr(aq)$ In the complex ion $[Ag(S_2O_3)_2]^{3-}$,the silver ion $(Ag^+)$ is bonded to two thiosulphate ligands. Since each thiosulphate ligand acts as a monodentate ligand (binding through the sulphur atom),the coordination number of silver is $2$.

Sodium thiosulphate is used to remove the unexposed $AgBr$ from photographic films by forming a complex. In this complex of silver,the coordination number of silver is

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