is 'N2 +O2 =2NO' or 'N2 + O2 = NO2' - Chemistry - Transformation of substances

Question

is
'N2 +O2 =2NO'
or
'N2 + O2 = NO2'

Mohit Gupta · Accepted Answer

Dinitrogen combines with dioxygen only at very high temperature (at about 2000 K) to form nitric oxide, NO

Whereas Nitrogen oxide is formed by the oxidation of nitric oxide $2 N O + O_{2} \to 2 N O_{2}$