Which of the following factors increases the rate of a chemical reaction by decresing the activation energy

Question

barrier?

a)increasing the temperature

b)decreasing the temperature

c)adding a catalyst

d)increasing the surface area of a phase interface

e)increasing the concentration of reactants

Answer 1

I agree C

Answer 2

The answer "they" want you to choose is (c).

That would be a catalyst, but the statement isn't quite right.

A catalyst works by providing a NEW reaction pathway which has a lower activation energy.