Question

Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity ?

• A. $NO$
• B. $N_2O_5$
• C. $N_2O$
• D. $NO_2$

Answer 1

Answer: (B)

$N_2O_5$

Answer 2

${N_2O_5 }$ is highest oxidation number oxide which will not easily formed by common or natural oxidation of lower oxides of nitrogen.