Browse Questions

# Which of the following is anhydride of $HNO_3$?

$(a)\;NO\qquad(b)\;N_2O_3\qquad(c)\;N_2O_4\qquad(d)\;N_2O_5$

$N_2O_5+H_2O\rightarrow 2HNO_3$
Hence (d) is the correct answer.