Chemistry
Select the correct answer from A, B, C, D and E –
(A) : Nitroso Iron (II) sulphate
(B) : Iron (III) chloride
(C) : Chromium sulphate
(D) : Lead (II) chloride
(E) : Sodium chloride.
The compound which is responsible for the green colour formed when SO2 is bubbled through acidified potassium dichromate solution.
Practical Chemistry
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Answer
Chromium sulphate
K2Cr2O7 + H2SO4 + 3SO2 ⟶ K2SO4 + Cr2(SO4)3 + H2O
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