MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryCoordination compoundsPrevious Year Questions
AgCl is dissolved in excess of each of NH3, KCN and Na2S2O3. The complex ions produced in each case are (AMU 2010)
A.[Ag(NH3)2]
B.[Ag(NH3)2]
C.[Ag(NH3)4]
D.[Ag(NH3)2]✓ Correct
Explanation
When AgCl is dissolved in excess of each of NH3 , KCN and Na2S2O3 The following reaction takes place. + - 3 3 2 - + - 2 3- + - 2 2 3 2 3 2 AgCl+2NH Ag(NH ) +Cl AgCl+2KCN Ag(CN) +2K +Cl AgCl+2Na S O Ag(S O ) +4Na +Cl -> -> -> Hence, the correct option is (d).
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