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One cationic complex has two isomers, A and B. Each has one Co3+, five NH3, one Br and one SO24 stoichiometrically. A gives white precipitate with BaCl2 while B give yellow precipitate with AgNO3. This means A and B are ionization isomers.
If true enter 1, else enter 0.

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Solution

Given that one cationic complex has two isomers, A and B. Each has one Co3+, five NH3, one Br and one SO24 stoichiometrically. A gives white precipitate with BaCl2 while B give yellow precipitate with AgNO3.
A is [Co(NH3)5Br]SO4 : It gives white precipitate with BaCl2 due to the reaction of SO24 with BaCl2 giving BaSO4.
B is [Co(NH3)5SO4]Br : It gives yellow precipitate with AgNO3 due to the reaction of Br with AgNO3 giving AgBr.
A and B are therefore, ionization isomers.
Hence, the correct answer is 1.

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