Question

1 mole of $N_2$ and 2 moles of $H_2$ are allowed to react in a 1 $dm^3$ vessel. At equilibrium 0.8 mole of $NH_3$ is formed. The concentration of $H_2$ in the vessel is

• A. 0.6 mole
• B. 0.8 mole
• C. 0.2 mole
• D. 0.4 mole

Answer 1

Answer: (B)

0.8 mole

Answer 2

Formation o f $0.8$ mol of $NH_{3}$ means $0.4$ mol $N_{2}$ have reacted