AP EAMCET2007Chemistryp Block Elements (Group 15, 16, 17 & 18)

The formula of the product formed, when sodium thiosulphate solution is added to silver bromide is

Options

AAg ₂ ~S ₂ O ₃
BAg ₂ ~S
CNa ₃ [ Ag ( S ₂ O ₃ )₂ ]
DAg ₃ [ Na ( S ₂ O ₃ )₂ ]

Correct answer

C. Na ₃ [ Ag ( S ₂ O ₃ )₂ ]

Step-by-step solution

When sodium thiosulphate solution is added to AgBr , then sodium argentothiosulphate is obtained. aligned & AgBr +2 Na ₂ ~S ₂ O ₃ Na ₃ [ Ag ( S ₂ O ₃ )₂ ] & (colourless) & sodium argentothiosulphate & + NaBr & aligned

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