p-Block elementsHard

Question

A mixture of alumina and coke is heated in a current of nitrogen to about 1800oC and the product obtained is treated with water. A gas is evolved. The gas is :

Options

A.N2
B.N2O
C.NH3
D.NO

Solution

Al2O3 + 3C + N2 → 2AlN + 3CO (Serpeck′s process)
2AlN + 3H2O → Al(OH)3 + NH3

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