Which of the following compound does not give test of sulphate ion in aqueous solution

  1. left square bracket straight K subscript 2 SO subscript 4. Al subscript 2 left parenthesis SO subscript 4 right parenthesis subscript 3.24 straight H subscript 2 straight O
  2. left square bracket Cu left parenthesis straight H subscript 2 straight O right parenthesis subscript 4 right square bracket SO subscript 4. straight H subscript 2 straight O
  3. left square bracket CoSO subscript 4 left parenthesis NH subscript 3 right parenthesis subscript 5 right square bracket Br
  4. FeSO subscript 4. left parenthesis NH subscript 4 right parenthesis subscript 2 SO subscript 4.6 straight H subscript 2 straight O

    PLEASE EXPLAIN IN DETAIL

Asked by g_archanasharma | 17th Mar, 2019, 11:54: AM

Expert Answer:

[Co(SO4)(NH3)5]Br  [Co(SO4)(NH3)5]+ + Br-
 
The complex [Co(SO4)(NH3)5]Br does not furnish free SO4-2 ion in solution hence does not give the test of SO4-2 ion in aqueous solution.

Answered by Ramandeep | 19th Mar, 2019, 02:12: PM

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