Question

Which one of the following oxides of nitrogen is a white solid ?

• A. NO
• B. $NO_2$
• C. $N_2O_3$
• D. $N_2O_5$

Answer 1

Answer: (D)

$N_2O_5$

Answer 2

$N_2O_5$ is a white solid while NO and $NO_2$ are gases.