Advertisements
Advertisements
Question
Ammonia is manufactured by Haber Process.
Under what conditions do the reactants combine to form ammonia? Give a balanced equation for the reaction.
Solution
Temperature: Optimum temperature is 450°C-500°C
Pressure: Above 200 atm.
Catalyst: Finely divided iron.
Promoter: Traces of molybdenum or \[\ce{Al2O3}\]
Reaction: \[\ce{N2 + 3H2 ⇌ 2NH3 + heat}\]
RELATED QUESTIONS
Write a balanced chemical equation for the following:
Laboratory preparation of ammonia from ammonium chloride.
Write balanced chemical equations for Action of warm water on AIN.
Name the gas which is prepared by Haber's process.
Explain the following:
Ca(OH)2 is preferred over NaOH in the preparation of ammonia.
Laboratory preparation of ammonia from aammonia chloride
Name a simple method you would employ to prepare ammonium salts in your laboratory.
A substance 'A' was heated with slaked lime and a gas 'B' with the pungent smell was obtained. Name the substances A and B and give a balanced equation.
Give reasons:
Ammonium nitrate is not used in the preparation of ammonia.
Give reasons:
Conc. \[\ce{H2SO4}\] is a good drying agent, yet it is not used to dry \[\ce{NH3}\].
Give reasons:
In the lab. preparation of ammonia calcium hydroxide is used in excess.
Give a balanced equation:
Ammonium hydroxide is added to ferrous sulphate solution.
Write observations:
Ammonia gas is passed over heated copper (II) oxide.
The following question pertains to the laboratory preparation of Ammonia gas from Magnesium nitride:
Write a balanced chemical equation for its preparation.
The following question pertains to the laboratory preparation of Ammonia gas from Magnesium nitride:
Why is the method seldom used?
Ammonia gas is collected by downward displacement of air since ammonia is ______.
Rewrite the following statement by adding the correct word, as shown in the example:
|
Example: Given Statement: Ammonia changes moist red litmus to blue. Correct Statement: Aqueous ammonia changes moist red litmus to blue. |
Ammonia reacts with chlorine to give ammonium chloride and nitrogen.
