Question

Which of the following oxides is an anhydride of nitrous acid ?

• A. NO
• B. $N_2O_3$
• C. $N_2O4$
• D. $N_2O_5$

Answer 1

Answer: (B)

$N_2O_3$

Answer 2

${ N_2O_3 + H_2O ->2HNO_2}$