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 11 of 50

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Q101.
When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.

a.

is greater than

b.

is smaller than

c.

equals

d.

can be either greater or smaller than (depends on the type of reaction)

Discuss
Answer: (c).equals
Q102.
The half life period of a first order reaction is

a.

always the same irrespective of the reaction.

b.

independent on initial concentration of the reactants.

c.

proportional to the initial concentration of reactants.

d.

half the specific rate constant.

Discuss
Answer: (b).independent on initial concentration of the reactants.
Q103.
The rate constant of a first order reaction depends on the

a.

concentration of the reactant.

b.

temperature.

c.

concentration of the product.

d.

time.

Discuss
Answer: (b).temperature.
Q104.
A reaction in which one of the products of reaction acts as a catalyst is called a/an __________ reaction.

a.

catalytic

b.

autocatalytic

c.

photochemical

d.

none of these

Discuss
Answer: (b).autocatalytic
Q105.
The ratio of volume of mixed reactor to the volume of P.F.R. (for identical flow rate, feed composition and conversion) for zero order reaction is

a.

∞

b.

0

c.

1

d.

> 1

Discuss
Answer: (c).1
Q106.
Which of the following will favour the reverse reaction in a chemical equilibrium reaction ?

a.

Increasing the concentration of one of the reactants.

b.

Increasing the concentration of one or more of the products.

c.

Removal of at least one of the products at regular interval.

d.

None of these.

Discuss
Answer: (b).Increasing the concentration of one or more of the products.
Q107.
Conversion increases with increase in temperature in case of a an __________ reaction.

a.

autocatalytic

b.

irreversible

c.

reversible endothermic

d.

reversible exothermic

Discuss
Answer: (c).reversible endothermic
Q108.
At a given temperature, K₁, K₂ and K₃ are equilibrium constants for the following reactions 1, 2, 3 respectively.

CH₄(g) + H₂O(g) ↔ CO(g) + 3H₂(g)
CO(g) + H₂O(g) ↔ CO₂(g) + H₂(g)
CH₄(g) + 2H₂O(g) ↔ CO₂(g) + 4H₂(g)

Then K1, K2 and K3 are related as:

a.

K₃ = K₁.K₂

b.

K₃ = (K₁.K₂)^0.5

c.

K₃ = (K₁.K₂)/2

d.

K₃ = (K₁.K₂)²

Discuss
Answer: (a).K₃ = K₁.K₂
Q109.
In case of __________ reactions, the reaction rate does not decrease appreciably as the reaction proceeds.

a.

catalytic

b.

parallel

c.

series

d.

auto catalytic

Discuss
Answer: (d).auto catalytic
Q110.
For nearly isothermal operation involving large reaction time in a liquid-phase reaction, the most suitable reactor is a __________ reactor.

a.

stirred tank

b.

tubular flow

c.

batch

d.

fixed bed

Discuss
Answer: (a).stirred tank
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