Nitrogen gas can be prepared in the laboratory using a mixture of ammonium chloride solution and sodium nitrite solution.

      

(a) The reaction occurs in two steps. State the two steps in the correct order. (2 marks)

(b) State two applications nitrogen. (1 mark)

  

Answers


Davis
a)Ammonium chloride reacts with sodium nitritre to form ammonium nitrite (1 mk) and sodium choride. Ammonium nitrite then decomposes on heating to form nitrogen gas (1mk) and water.

b)-Manufacture of ammonia by the Haber process.
-As a refrigerant
-In electric light bulbs

Githiari answered the question on September 13, 2017 at 02:05


Next: A mixture consists of sulphur powder and iron filings.(i) Describe how to obtain sulphur from the mixture using methylbenzene.
Previous: Study the equation below and answer the questions that follow C6H14 + Cl2--->C6H13Cl + HCl

View More Chemistry Questions and Answers | Return to Questions Index


Exams With Marking Schemes

Related Questions