Question

Duma's method involves the determination of nitrogen content in the organic compound in the form of:

• A. $N{H}_3$
• B. $N_2$
• C. $NaCN$
• D. $(N{H}_4{)}_{2}S{O}_4$

Answer 1

The correct option is B $N_2$

Duma's method involves the determination of nitrogen content in the organic compound in the form of $N_2$

$N_{2}O+Cu\to N_2+CuO$

$\%N=\frac{28}{22400}\times \frac{\text{volume of}{N}_2\text{at NTP}}{\text{weight of compound}\times 100}$