Question

Calculate the oxidation number of N in NO₃^-.

Answer 1

N in NO₃^- , let the oxidation number of N in NO₃^- be x. Writing the oxidation number of each atom above its symbol.

\(\overset{x}{N}\,\,\overset{-2}{O_3}\)

x + 3(-2) = -1

x – 6 = -1, 

x = +5