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Describe the Laboratory preparation method of nitrogen.

      

Describe the Laboratory preparation method of nitrogen.

  

Answers


Kavungya
Procedure:
- Concentrated solutions of sodium nitrite and ammonium chloride are heated together in a round bottomed flask.
Observations.
- Colourless gas (nitrogen) is evolved rapidly and is collected over water.
fig127420191200.png
Note: the resultant gas is less dense than that isolated from air.
Reason:
- It does not contain impurities.
Kavungya answered the question on April 27, 2019 at 09:02


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