Question

Which of the following alkali when burnt in air forms a mixture of oxide as well as nitride?

• A. K
• B. Na
• C. Li
• D. Cs

Answer 1

Answer: (C)

Li

Answer 2

: Lithium when burnt in air forms a mixture of oxdide as well as nitride.

$4Li + O_{2}\overset{\quad\Delta\quad}{\rightarrow}2Li_{2}O,6Li + N_{2}\overset{\quad\Delta\quad}{\rightarrow}2Li_{3}N$