Question

If a mixture containing 3 moles of hydrogen and 1 mole of nitrogen is converted completely into ammonia, the ratio of initial and final volume under the same temperature and pressure would be :

• A. 3 : 1
• B. 1 : 3
• C. 2 : 1
• D. 1 : 2

Answer 1

Answer: (C)

2 : 1

Answer 2

Initial N2 + 3H2$\longrightarrow$ 2NH3

1 3

final – – 2

ratio $\frac{4}{2}$=$\frac{2}{1}$ .