Answer: Option (d) is the correct answer.
Explanation:
The given compound is [tex]N_{2}O_{3}[/tex]. It contains two nitrogen atoms and three oxygen atoms.
Therefore, according to naming nomenclature "di" will be added before the name of nitrogen. Whereas a prefix "tri" will be added before the name of oxygen atom.
Hence, name of the compound [tex]N_{2}O_{3}[/tex] is dinitrogen trioxide.