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 16 of 50

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Q151.
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
Q152.
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
Q153.
Collision theory gives the rate constant for bimolecular reaction as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q154.
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
Q155.
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
Q156.
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
Q157.
Arrhenious equation represents graphically the variation between the __________ and temperature.

a.

rate of reaction

b.

frequency factor

c.

rate constant

d.

activation energy

Discuss
Answer: (c).rate constant
Q158.
__________ catalytic reaction is involved in the thermal cracking of gas oil.

a.

Homogeneous

b.

Homogeneous non

c.

Heterogeneous

d.

Heterogeneous non

Discuss
Answer: (a).Homogeneous
Q159.
Variables affecting the rate of homogeneous reactions are

a.

pressure and temperature only.

b.

temperature and composition only.

c.

pressure and composition only.

d.

pressure, temperature and composition.

Discuss
Answer: (d).pressure, temperature and composition.
Q160.
A chemical reaction occurs when the energy of the reacting molecules is __________ the activation energy of the reaction.

a.

less than

b.

equal to

c.

more than

d.

equal to or more than

Discuss
Answer: (d).equal to or more than
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