p-Block elementsHard

Question

Which of the following product is formed when sulphurdioxide gas is passed through sodium chlorate in strongly acidic solution ?

Options

A.NaClO4
B.ClO2
C.Na2SO3
D.SO3

Solution

2ClO3- (aq)  +  SO2(g) 2ClO2 (g) + SO42- (aq)
  oxidant        reductant

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