Chemical Reaction Engineering MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Reaction Engineering, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Chemical Reaction Engineering MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Chemical Reaction Engineering mcq questions that explore various aspects of Chemical Reaction Engineering problems. Each MCQ is crafted to challenge your understanding of Chemical Reaction Engineering principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Chemical Reaction Engineering MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Chemical Reaction Engineering. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Chemical Reaction Engineering knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Reaction Engineering MCQs | Page 7 of 50

Discover more Topics under Basic Chemical Engineering

Q61.
The increase in the rate of reaction with temperature is due to

a.

increase in the number of effective collisions.

b.

decrease in activation energy.

c.

increase in the average kinetic energy of the reacting molecules.

d.

none of these.

Discuss
Answer: (b).decrease in activation energy.
Q62.
The order of the chemical reaction given below, whose rate equation is given as -rแด€ = KCแด€². Cส™ is

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (d).3
Q63.
With increase in Kโ‚‚/Kโ‚ in case of a unimolecular type elementary reactions given below, the fractional yield of 'R' in mixed reactor (for a given conversion of 'A')

a.

decreases

b.

increases

c.

increases linearly

d.

remains same

Discuss
Answer: (a).decreases
Q64.
Collision theory gives the rate constant for bimolecular reaction as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q65.
The temperature dependence of reaction rate constant (K) by Arhenius law is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q66.
For a __________ order chemical reaction given below, the fractional conversion of reactant 'A' is proportional to time.

a.

zero

b.

first

c.

second

d.

third

Discuss
Answer: (a).zero
Q67.
Consider a reversible exothermic reaction in a plug flow reactor. The maximum and minimum permissible temperatures are Tโ‚˜โ‚โ‚“ and Tโ‚˜แตขโ‚™ respectively. Which of the following temperature (T) profiles will require the shortest residence time to achieve the desired conversion.

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q68.
A catalyst loses its activity due to

a.

loss in surface area of the active component.

b.

agglomeration of metal particles caused by thermal sintering of the solid surface.

c.

covering of the catalytic active sites by a foregin substance.

d.

all (a), (b) and (c).

Discuss
Answer: (d).all (a), (b) and (c).
Q69.
'N' plug flow reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for __________ order reactions.

a.

first

b.

second

c.

third

d.

any

Discuss
Answer: (d).any
Q70.
Specific rate constant for a second order reaction

a.

is independent of temperature.

b.

varies with temperature.

c.

depends on the nature of the reactants.

d.

both (b) and (c).

Discuss
Answer: (d).both (b) and (c).
Page 7 of 50