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Question
Give one test to differentiate \[\ce{[Co(NH3)5Cl]SO4}\] and \[\ce{[Co(NH3)5SO4]Cl}\].
Solution
\[\ce{[Co(NH3)5Cl]SO4 -> [Co(NH3)5Cl]^{+2} + SO^2-_4}\]
\[\ce{[Co(NH3)5SO4]Cl -> [Co(NH3)5Cl]SO4}\]
1. Aqueous solution of (a) gives sulphate ion. When the addition of BaCl, solution (a) gives a white precipitate of BaSO4. But (b) does not give any precipitate.
2. Aqueous solution of (b) gives chloride ion. When the addition of AgNO3 solution (b) gives curdy white precipitate of AgCl. But (a) does not give any precipitate.
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