Question

A catalyst is a substance which:

• A. is always in the same phase as in the reaction
• B. alters the equilibrium in a reaction
• C. does not participate in the reaction but alters the rate of reaction
• D. participates in the reaction and provides an easier pathway for the same

Hint:

Catalysts provide an alternative pathway with a lower activation energy, speeding up the reaction without being consumed.

Answer 1

The Correct Option is C

Step 1: A catalyst is a substance that increases the rate of a reaction without being consumed in the reaction. It provides an alternative reaction pathway with a lower activation energy.
Step 2: A catalyst does not alter the equilibrium position; it only speeds up the rate of reaction by lowering the energy barrier.
Step 3: Therefore, the correct answer is that a catalyst does not participate in the reaction but alters the rate of the reaction.