JEE Main Chemistry question

Select the correct statement about the complex [Co(NH_3)_5SO_4]Br.

(A)Its ionisation isomer is [Co(NH_3)_5Br]SO_4
(B)It gives a yellow precipitate with
(C)Its ionisation isomer gives a white precipitate with
(D)All the above are correct statementsCorrect

Answer: (D)

Solution

[Co(NH_3)_5SO_4]Br \rightleftharpoons [Co(NH_3)_5SO_4]^+ + Br^-; the free gives a yellow precipitate of with — confirming (A) and (B). Its ionisation isomer,

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Question ID VK-155529