Question

magnesium reacts with nitrogen to give magnesium nitride. the stoichiometric coefficients before each compound are a 2,3,3 b 2,1,1 c 3,1,1 d 1,1,1

Explanation:

Step1: Write the chemical equation

The reaction is $3Mg + N_2
ightarrow Mg_3N_2$.

Step2: Identify coefficients

The coefficients of $Mg$, $N_2$ and $Mg_3N_2$ are 3, 1, 1 respectively.

Answer:

C. 3,1,1