S Block Elements Question 6

Question: Magnesium burns in air to give

[CPMT 1988, 89; AFMC 1987]

Options:

A) $ MgO $

B) $ Mg_3N_2 $

C) $ MgCO_3 $

D) $ MgO $ and $ Mg_3N_2 $ both

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Answer:

Correct Answer: D

Solution:

$ 2Mg+O_2\to 2MgO $

$ 3Mg+N_2\to Mg_3N_2 $