Question

A catalyst in the finely divided form is most effective because: (a) less surface area is available (b) more active sites are formed (c) more energy gets stored in the catalyst (d) none of these

Name: Problem 34, Chapter 11: Problems in Physical Chemistry for JEE
Uploaded: 2021-09-01T09:34:55-08:00
Duration: 2 min 32 s
Channel: Ishu Khandelwal
Description: A catalyst in the finely divided form is most effective because: (a) less surface area is available (b) more active sites are formed (c) more energy gets stored in the catalyst (d) none of these

   A catalyst in the finely divided form is most effective because:
(a) less surface area is available
(b) more active sites are formed
(c) more energy gets stored in the catalyst
(d) none of these

Problems in Physical Chemistry for JEE

Narendra Avasthi 7th Edition

Chapter 11, Problem 34

Instant Answer

Solved by Expert Ishu Khandelwal

09/01/2021

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A catalyst in the finely divided form is most effective because: (a) less surface area is available (b) more active sites are formed (c) more energy gets stored in the catalyst (d) none of these

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Key Concepts

Catalysis

Catalysis is the process of accelerating a chemical reaction by using a substance, known as a catalyst, which lowers the activation energy without itself being consumed in the reaction. This concept is central to many chemical processes both in industry and nature.

Surface Area

The surface area of a catalyst is a critical factor in its performance. Finely divided catalysts have a larger surface area compared to their bulk counterparts, which allows more reactant molecules to come in contact with the catalyst, thereby improving the reaction rate.

Active Sites

Active sites are specific regions on the surface of a catalyst where reactants bind and undergo chemical transformation. Increasing the physical dispersion of the catalyst enhances the number of active sites, thereby making the catalyst more effective in facilitating the reaction.

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