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(a) B – ammonia gas
C - nitrogen (II) oxide (NO)
E – water
F – unreacted gases
(b) The mixture of ammonia and air is passed through heated/ catalyst where ammonia (II) is
oxidized to nitrogen (II) oxide.
(c) Gases are cooled and air passed through heated/ catalyst where ammonia is further
oxidized to nitrogen(IV) oxide.
(d) Fractional distillation,
Water with a lower boiling point than nitric (V) acid, distills left leaving the concentrates acid.
maurice.mutuku answered the question on October 14, 2019 at 11:10
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