A cationic complex has two isomers A & B. Each has one Co3+, five NH3 , one Br and one SO4 2 . A gives a white precipitate with BaCl2 solution while B gives a yellow precipitate with AgNO3 solution. (a) What are the possible structures of the complexes A and B ? (a) Will the two complexes have same colour ?

1 Answer

Answer :

(a) [CO (NH3 ) 5 Br] SO4 and [CO (NH3 ) 5 SO4 ] Br 

(b) NO

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