Question

Nitrogen (I)oxide gas can be prepared in the laboratory using a mixture of ammonium chloride solution and sodium nitrate solution.

1. The reaction occurs in two steps. State the two steps in the correct order. 
2. State one use of nitrogen (I) oxide 

Answer 1

1.      
   • Ammonium chloride and sodium nitrate solutions react to form ammonium nitrate and sodium chloride
   • Ammonium nitrate solution undergoes thermal decomposition to for nitrogen (I) oxide and water 
2.     
   • Anaesthetic for dental surgery
   • Produce flames for analytical work
   • An oxidizer in racing car engines