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Q.

On adding potassium iodide to an aqueous solution , containing complex ion  [Ag(NH3)2]+ yellow coloured precipitate of AgI is formed. Similarly when hydroiodic acid was added to the complex ion [Ag(NH3)2]+  again precipitates AgI. Then correct statements for these observations

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a

Complex ion  [Ag(NH3)2]+ is less stable than AgI

b

Complex ion  [Ag(NH3)2]+  ionizes less than AgI

c

HI neutralizes  NH3  ligands and precipitates AgI

d

IUPAC name of the complex is diammine silver (I) ion

answer is A, C, D.

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Detailed Solution

AgI is more stable than  [Ag(NH3)2]+  HI neutralizes NH3 forming NH4+ ion thus it cannot act as ligand.

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