MCQ Practice

For a first order isothermal chemical reaction in a porous catalyst, the effectiveness factor is 0.3. The effectiveness factor will increase if the

A

Catalyst size is reduced or the catalyst diffusivity is reduced

B

Catalyst size is reduced or the catalyst diffusivity is increased

C

Catalyst size is increased or the catalyst diffusivity is reduced

D

Catalyst size is increased or the catalyst diffusivity is increased

Correct Answer: B