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CGP EDU Academic Team
Published on: August 14, 2026
Why bright yellow precipitate of AgI is soluble in KCN and Na 2 S 2 O 3 solution.
Text Solution
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CHECK THE SOLUTION.
AgI ↓ + 2CN – 
[Ag(CN) 2 ] – + I – , AgI ↓ + 2S 2 O 3 2– 
[Ag(S 2 O 3 ) 2 ] 3– + I –
for formation of soluble complex
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