Which of the following isomers will give white precipitate with BaCl2

1.	Which of the following isomers will give white precipitate with BaCl2 solution?
A.	[CO(NH3)5SO4]Br
B.	[CO(NH3)5Br]SO4
C.	[CO(NH3)4(SO4)2]Br
D.	[CO(NH3)4(SO4)]
Answer» D. [CO(NH3)4(SO4)]

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