p-Block elementsHard

Question

KNO2 (l) + KNO3 (l) + Cr2O3 (s) → K2CrO4 + [X] ; X is

Options

A.N2
B.NO
C.N2O5
D.N2O3

Solution

3KNO2 (l) + KNO3 (l) + Cr2O3 (s) → 2K2CrO4 (s, l) + 4NO.

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