Solution of problem 633 of the collection of general ch

Solution of problem 633 of the collection of general ch

633. Complete the reaction equations. To pay attention to the oxidation-reduction duality of elements in an intermediate degree of oxidation:

A) KI + KNO2 + CH3COOH → NO +

KMnO4 + KNO2 + H2SO4 → KNO3 +

B) H2SO3 + Cl2 + H2O → H2SO4 +

H2SO3 + H2S → S +

C) Na2S2O3 + I2 → Na2S4O6 +

Cl2 + I2 + H2O → HIO3 +

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