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 19 of 50

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Q181.
The rate of the chemical reaction A โ†’ B doubles as the concentration of A i.e.., Cแด€ is doubled. If rate of reaction is proportional to Cแด€โฟ, then what is the value of n for this reaction ?

a.

0.5

b.

1

c.

0

d.

2

Discuss
Answer: (b).1
Q182.
A reaction which is catalysed by a base is catalysed by all substances which have a tendency to

a.

lose a proton

b.

gain a proton

c.

gain an electron

d.

none of these

Discuss
Answer: (b).gain a proton
Q183.
For a homogeneous reaction of nth order, the dimension of the rate constant is given by

a.

1/(time)โฟ

b.

(concentration)¹โปโฟ/(time)

c.

(concentration)โฟโป¹/(time)

d.

none of these

Discuss
Answer: (b).(concentration)¹โปโฟ/(time)
Q184.
The fractional volume change between no conversion and complete conversion, for the isothermal gas phase reaction, 2A โ†’ R, is

a.

0.5

b.

-0.5

c.

1

d.

1.5

Discuss
Answer: (b).-0.5
Q185.
The 'E' curve for a non-ideal reactor defines the fraction of fluid having age between t and t + dt

a.

at the inlet

b.

at the outlet

c.

in the reactor

d.

averaged over the inlet and outlet

Discuss
Answer: (b).at the outlet
Q186.
To maximise the formation of R in the simultaneous reaction

A + B โ†’ R , rส€ = 2Cแด€^0.5.Cส™²
A + B โ†’ S , rโ‚› = 1.5 Cแด€ . Cส™

We should have

a.

low Cแด€, low Cส™

b.

low Cแด€, high Cส™

c.

high Cแด€, low Cส™

d.

high Cแด€, high Cส™

Discuss
Answer: (b).low Cแด€, high Cส™
Q187.
A reaction which is catalysed by an acid is also catalysed by any substance, which has a tendency to

a.

lose a proton.

b.

gain a proton.

c.

lose an electron

d.

none of these.

Discuss
Answer: (a).lose a proton.
Q188.
A stirred tank reactor compared to tubular-flow reactor provides

a.

more uniform operating conditions.

b.

permits operation at the optimum temperature for a long reaction time.

c.

higher overall selectivity for a first order consecutive reaction.

d.

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

Discuss
Answer: (d).all (a), (b) and (c)
Q189.
A chemical reaction, A โ†’ 3B, is conducted in a constant pressure vessel. Starting with pure A, the volume of the reaction mixture increases 3 times in 6 minutes. The fractional conversion is

a.

0.33

b.

0.5

c.

1

d.

data insufficient, can't be predicted

Discuss
Answer: (c).1
Q190.
Rate of an autocatalytic chemical reaction is a function of

a.

temperature only.

b.

pressure only.

c.

composition only.

d.

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

Discuss
Answer: (d).all (a), (b) and (c).
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