Question

When a chemical reaction takes place during the course of the reaction the rate of reaction.

• A. Keeps on increasing with time
• B. Remains constant with time
• C. Keeps on decreasing with time
• D. Shows irregular trend with time

Answer 1

Answer: (C)

Keeps on decreasing with time

Answer 2

Rate of reaction $\propto$ conc. Of reactants as the reaction proceeds, concentration of the reactants decreases hence the rate also keeps on decreasing with time.