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A white turbidity is obtained by passing H2S in aqueous Soln. of SO2. Why?

A white turbidity is obtained by passing H2S in aqueous Soln. of SO2. Why?

Grade:Upto college level

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
10 years ago
sorry it would form yellow turbid
On passing H2S through an aqueous solution of SO2 oxidation of H2S occurs while SO2 is reduced to produce elemental sulphur which causes the yellow turbidity.
2H2S + SO2(aq) ---------> 3S + 2H2O

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