Question

When nitric acid is heated with $P_2O_5$, the oxide nitrogen that is produced is

• A. $N_2O_4$
• B. $NO_2$
• C. $N_2O_5$
• D. $N_2O_3$

Answer 1

Answer: (C)

$N_2O_5$

Answer 2

${ 2HNO_3 ->[P_2O_5] N_2O_5 +H_2O}$