MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic Chemistryp -Block Elements (group 15-18)Previous Year Questions Aqueous solutions of hydrogen sulphide and sulphur- dioxide when mixed together, yield (KCET 2013)
A.Sulphur trioxide and water
B.hydrogen and sulphurous acid
C.sulphur and water✓ Correct
D.hydrogen peroxide and sulphur
Explanation
On mixing aqueous solution of H2S and SO2, colloidal sulphur and water are obtained. 2H2S + SO2 -> 3S + 2H2O
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