1.

Differentiate between [Co(NH_(3))_(5)CI]SO_(4) and [Co(NH_(3))_(5)SO_(4)]Cl ionisationisomers.

Answer»

Solution :(A) `[CO(NH_(3))_(5)CI]SO,_(4)` and (B) `[Co(NH_(3))_(4)SO_(4)]Cl` being ionisations ISOMERS, in aqueous solution they ionise producing different ions.
(A) `[Co(NH_(3))_(5)Cl]SO_(4) hArr [Co(NH_(3))_(5)Cl]^(2+) +SO_(4)^(2-)`
(B) `[Co(NH_(3))_(5)SO_(4)]Cl hArr [Co(NH_(3))_(5)SO_(4)]^(+) + Cl^(-)`
(1) The solution of complex A on reaction with `BaCl_(2)`, forms white precipitateof `BaSO_(4)`indicating `SO_(4)^(2-)` is present in outer sphere,`BaCl_(2) + SO_(2)^(4-) to BaSO_(4(s)) + 2Cl^(-)`
(II) The solution of complex B on reaction with `AgNO_(3)` forms whitepreciptateof AgClindicating `Cl^(-)`is presentin outerspace.`AgNO_(3) + Cl^(-) toAgCl_((s)) + NO_(3)^(-)`


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