Question

In the chemical reaction $A\rightleftharpoons B$, the system is said to be in equilibrium when:

• A. $A$ completely changes to $B$
• B. $50\%$ of $A$ changes to $B$
• C. The rate of change of $A$ to $B$ and $B$ to $A$ are same
• D. Only $10\%$ of $A$ changes to $B$

Answer 1

The correct option is C The rate of change of $A$ to $B$ and $B$ to $A$ are same

(c) At equilibrium, the rate of forward reaction is equal to the rate of reverse reaction i.e., the rate of change of $A$ to $B$ and $B$ to $A$ are the same.