A catalyst increase the rate of a chemical reaction by providing a path that?
A
raise the activiation energy
B
increase the temperature
C
lowers the activation energy
D
increase the concentration
Verified Correct Answer: C.
Chemical Principles & Mechanism
The rate of a reaction can be increased by adding a suitable catalyst.
A catalyst is a substance which increases the rate of a chemical reaction but it is not used up (remains chemically unchanged at the end).
It provides an alternative reaction pathway of lower activation energy.
Source: WAEC / JAMB / NECO Classroom Archive (Record #4324)