Chemistry
Give reason —
Ammonium nitrate is not used in the preparation of ammonia.
Ammonia
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Answer
As ammonium nitrate is explosive in nature and may itself decompose forming nitrous oxide and water vapour, hence it is not used in the preparation of ammonia.
NH4NO3 N2O + 2H2O
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Related Questions
Ammonia is manufactured by Haber's process —
(a) Under what conditions do the reactants combine to form ammonia? Give a balanced equation for the reaction.
(b) In what ratio by volume, are the above gases used?
(c) State one possible source of each reactant used in Haber Process.
(d) State whether the formation of ammonia is promoted by the use of high pressure or low pressure?
(e) Mention two possible ways by which ammonia produced is removed from unchanged gases.
(f) What is the function of
(i) finely divided iron,
(ii) molybdenum
in the above process?
(g) What is the percentage formation of ammonia?
(h) How can this percentage formation be increased?
Give reason —
Ammonium compounds does not occur in minerals.
Give reason —
Conc. H2SO4 is a good drying agent, yet it is not used to dry NH3.
Give reason —
In the lab. preparation of ammonia
- calcium hydroxide is used in excess.
- Flask is fitted in slanting position.