Question

Which of the following combine(s) with nitrogen to form nitride?

• A. Li
• B. Mg
• C. Na
• D. Both A and B

Answer 1

Answer: (D)

Lithium and Magnesium react with nitrogen to form nitride as follows

$6Li+N_2\to 2L{i}_{3}N$

$3Mg+N_2\to M{g}_3{N}_2$