Question

Nitrogen (I) oxide is produced by
(1) thermal decomposition of ammonium nitrate
(2) disproportionation of $N _{2} O _{4}$
(3) interaction of hydroxyl. amine and nitrous acid
(4) thermal decomposition of ammonium nitrite

• A. 1, 2 and 3 are correct
• B. 1 and 2 are correct
• C. 2 and 4 are correct
• D. 1 and 3 are correct

Answer 1

Answer: (D)

(1) $\underset{\text{ammonium nitrate}}{NH _{4} NO _{3}} \xrightarrow{\Delta} \underset{\text{nitrogen (I) oxide or nitrous oxide}}{N _{2} O} +2 H _{2} O$
(2) $N _{2} O _{4}+ H _{2} O \xrightarrow{\text { Disproportionation }}HNO _{2}+ HNO _{3}$
(3) $\underset{\text{hydroxyl amine}}{NH _{2} OH }+ \underset{\text{nitrous acid}}{HNO _{2} }\rightarrow \underset{\text{nitrous oxide}}{N _{2} O} +2 H _{2} O$
(4) $\underset{\text{ammonium nitrite}}{NH _{4} NO _{2}} \xrightarrow{\Delta} N _{2}+2 H _{2} O$