Question
Question: A mixture of alumina and coke is heated in a current of nitrogen to about 1800<sup>0</sup>C and the ...
A mixture of alumina and coke is heated in a current of nitrogen to about 18000C and the product obtained is treated with water. A gas is evolved. The gas is :
A
N2
B
N2O
C
NH3
D
NO
Answer
NH3
Explanation
Solution
Al2O3 + 3C + N2 2AlN + 3CO (Serpeck's process)
2AlN + 3H2O Al(OH)3 + NH3