Question

In a chemical reaction $N_2+3H_2\rightleftharpoons 2N{H}_3$, at equilibrium point :

• A. Equal volumes of $N_2$ and $H_2$ are reacting
• B. Equal masses of $N_2$ and $H_2$ are reacting
• C. The reaction has stopped
• D. The same amount of ammonia is formed as is decomposed into $N_2$ and $H_2$

Answer 1

The correct option is D The same amount of ammonia is formed as is decomposed into $N_2$ and $H_2$

Rate of forward reaction $=$ Rate of backward reaction i.e., when $R_f=R_b$, equilibrium is established.
At equilibrium, amount of $N{H}_3$ formed is equal to the amount of $N{H}_3$ decomposed into $H_2$ and $N_2$.