Question

A gas is found to contain $2.34$ g of nitrogen and $5.34$ g of oxygen. Simplest formula of the compound is :

• A. $N_{2}O$
• B. $NO$
• C. $N_2{O}_3$
• D. $N{O}_2$

Answer 1

The correct option is D $N{O}_2$

The ratio of weights between $N:O$ is $2.34:5.34$.

The molar ratio is $\frac{2.34}{14}:\frac{5.34}{16}$ = $1:2$.

Therefore, the formula of the compound is $N{O}_2$.