Question

The flow chart below shows some industrial processes. Use it to answer the questions that follow

1. Give the source of the following raw materials
   • Nitrogen gas 
   • Hydrogen gas 
2. Name the following substances;
   1. Catalyst P 
   2. Gas M 
   3. Liquid F 
3. Write the chemical equations for; formation of gas M. 
4. The reaction in the absorption tower 
5. State one use of nitric (v) acid 

Answer 1

1.    
   • Nitrogen gas  - fractional distillation of liquid air
   • Hydrogen gas  - Electrolysis of brine
                                Cracking of hydrocarbon
                                 Water gas
2.   
   • Catalyst P - rhodium 
   • Gas M  - Nitrogen (II) Oxide 
   • Liquid F  - water 
3.                  platinum
   4NH₃ +5O₂      →    4NO_(g) + 6H₂O _(l)
4. 4 NO_2(g) +2H₂O_(l)+O_2(g) → 4 HNO_3(aq)
5.   
   • Manufacture of nitrate fertilizers, synthetic fibre, dyes, drugs, explosives,
   • Purification of metals