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 43 of 50

Discover more Topics under Basic Chemical Engineering

Q421.
Reaction of benzene with chlorine gas to produce tri-chlorobenzene exemplifies a/an __________ reaction.

a.

elementary

b.

parallel

c.

consecutive

d.

none of these

Discuss
Answer: (c).consecutive
Q422.
For the gaseous reaction 2A โ†’ B, where the feed consists of 50 mole % A and 50 mole % inerts, the expansion factor is

a.

1

b.

-0.5

c.

-0.25

d.

0

Discuss
Answer: (c).-0.25
Q423.
The molecularity and the order of reaction respectively, for the hydrolysis of methyl acetate in presence of acids are

a.

2 & 1

b.

11 & 2

c.

2 & 2

d.

1 & 1

Discuss
Answer: (a).2 & 1
Q424.
The irreversible reaction is a special case of reversible reaction, if the

a.

equilibrium constant is 1.

b.

conversion of the reactant at equilibrium condition is zero.

c.

reactant concentration at equilibrium condition is zero.

d.

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

Discuss
Answer: (c).reactant concentration at equilibrium condition is zero.
Q425.
Rate constant 'k' and absolute temperature 'T' are related by collision theory (for bimolecular) as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q426.
The residence time distribution of an ideal CSTR is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q427.
In case of unimolecular type elementary reaction given below, plug flow reactor as compared to mixed reactor is

a.

more

b.

same

c.

less

d.

unpredictable

Discuss
Answer: (a).more
Q428.
The first order series reaction given below, is conducted in a batch reactor. The initial concentrations of A, B and C (Cแด€โ‚€, Cส™โ‚€, Ccโ‚€ respectively) are all non-zero. The variation of Cส™ with reaction time will not show a maximum, if

a.

kโ‚‚ Cส™โ‚€ > kโ‚ Cแด€โ‚€

b.

k Cแด€โ‚€ > kโ‚‚.Cส™โ‚€

c.

Cส™โ‚€ > Cแด€โ‚€

d.

Cแด€โ‚€ > Cส™โ‚€

Discuss
Answer: (a).kโ‚‚ Cส™โ‚€ > kโ‚ Cแด€โ‚€
Q429.
Effectiveness factor (E) of a catalyst pellet is defined as below. Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)

a.

tan hT/T

b.

tan T/T

c.

tan hT/tan T

d.

none of these

Discuss
Answer: (a).tan hT/T
Q430.
The mean conversion in the exit stream, for a second order, liquid phase reaction in a non-ideal flow reactor is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Page 43 of 50