Q. One of the reasons for greater reactivity of finely divided platinum catalyst is that it has :
A) Particles which are almost atomic in dimensions
B) Particle size which can spread easily through whole reactants
C) Much larger surface area
D) A physical state only in which it can react quickly
Explanation
(c)
Larger is surface area, more are active centres.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.