An inorganic compound on strong heating gave a blackish brown powder and two oxides of sulphur. The powder was dissolved in HCl when a yellow solution
An inorganic compound on strong heating gave a blackish brown powder and two oxides of sulphur. The powder was dissolved in HCl when a yellow solution was obtained. It gave a blood red colouration with thiocyanide ions. The inorganic compound is likely to be
A. `CoSO_(4)`
B. `FeSO_(4)`
C. `NiSO_(4)`
D. `MnSO_(4)`.
5 views
1 Answers
Correct Answer - B
(b) The compound is `FeS0_(4)`
`2FeSO_(4)overset("heat")rarrunderset("Blackesh brown powder")underset()(Fe_(2)O_(3)+SO_(2)+SO_(3))`
`Fe_(2)O_(3)+6HClrarrunderset("Yellow solution")underset()(2FeCl_(3)+3H_(2)O)`
`FeCl_(3)+3CNoverset(-)Sunderset("colouration")underset("Blood red")(rarrFe(CNS)_(3))+3CI^(-)`
5 views
Answered