The set-up below shows the catalytic oxidation of ammonia in the laboratory.

The set-up below shows the catalytic oxidation of ammonia in the laboratory.

(a) Identify the brown fumes observed at the mouth of the conical flask.
(b) Write down the equations of the reactions representing
(i) Catalytic oxidation of ammonia
(ii) The formation of the brown fumes.

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(a) Nitrogen(IV) oxide(NO₂) gas

(b) (i) 4NH_3(g) +5O_2(g)---->4NO_(g) + 6H₂O_(g)

(ii) 2NO_(g) + O_2(g)---->2NO_2(g)

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sharon kalunda answered the question on March 27, 2019 at 07:33

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