In the equation

CHEMISTRY · Single correct · CBSE · Chemistry · Redox Reactions · Redox Reactions

Problem

In the equation NO2−+H2O⟶NO3−+H++ne−\mathrm{NO_2^- + H_2O \longrightarrow NO_3^- + H^+ + n e^-}, nn stands for: (1) 11 (2) 22 (3) 33 (4) 44

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