Advertisements
Advertisements
Question
Describe the laboratory method of preparation of ammonia
Advertisements
Solution
On a small scale, ammonia is prepared by decomposition of ammonium salts when treated with slaked lime. Moist ammonia is dried by passing over quick lime (CaO).
2NH4Cl + Ca(OH)2 `Delta /`> 2NH3 + CaCl2 + 2H2O
Ammonium Slaked lime Ammonia Calcium chloride
chloride
APPEARS IN
RELATED QUESTIONS
What is the action of Excess of air on ammonia ?
What is the action of the following reagents on ammonia :
Nessler's reagent
Mention the conditions required to maximise the yield of ammonia.
How does ammonia react with a solution of Cu2+?
What happens when (NH4)2Cr2O7 is heated? Write the equations.
What is the action of Excess of chlorine on ammonia?
What is Nessler’s reagent?
In laboratory ammonia is prepared by heating:
Which compound is used in the preparation of caprolactam?
Which compound is used as the cooling liquid in refrigerators?
Ammonia act as a Lewis base because nitrogen has ____________.
On heating ammonium dichromate and barium azide separately we get ______.
In Haber’s process for the manufacture of NH3:
The shape of ammonia molecule is ____________.
When ammonia is heated with cupric oxide, a molecule of ammonia will ____________.
Liquid ammonia bottles are opened after cooling them in ice for some time. It is because liquid NH3 ____________.
Ammonia is generally manufactured for fertilizers by the reaction:
Which one of the following is not a use of ammonia?
A brown ring is formed in the ring test for \[\ce{NO3^{-}}\] ion. It is due to the formation of ______.
In the preparation of HNO3, we get NO gas by catalytic oxidation of ammonia. The moles of NO produced by the oxidation of two moles of NH3 will be ______.
What happens when reactions:
Benzylchloride is treated with ammonia followed by the reaction with Chloromethane.
