Assertion : Sulphur dioxide is more powerful reducing agent in alkaline medium than in acidic

Reason :  Sulphur dioxide reacts with hydrogen sulphide in presence of moisture and sulphur is

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#6 | 16th Group

Concept Questions :-

group 16,preparation and properties

(B) 2H2O +SO2SO42-+4H++2e- (increase in H+ will shift the equilibrium in backward direction)

SO2+4OH-SO42-+2H2O+2e- (increase in OH- will shift the equilibrium in forward direction)


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