p-Block elementsHard

Question

Cold solution of barium nitrite on mixing with sulphuric acid produces :

Options

A.BaSO4 + HNO2
B.BaSO4 + HNO3
C.BaSO4 + NO2
D.BaSO4 + NO2 + O2

Solution

HNO3 + 3HCl  →  NOCl + 2Cl + 2H2O

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