Chromatography MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chromatography, a fundamental topic in the field of Analytical Instrumentation. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Chromatography 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 Chromatography mcq questions that explore various aspects of Chromatography problems. Each MCQ is crafted to challenge your understanding of Chromatography principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Analytical Instrumentation tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Chromatography MCQs are your pathway to success in mastering this essential Analytical Instrumentation topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Chromatography. 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 Chromatography knowledge to the test? Let's get started with our carefully curated MCQs!

Chromatography MCQs | Page 8 of 14

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Q71.
Retention factor is also known as the capacitance factor.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q72.
What must be the value of the selectivity factor?

a.

Equal to 1

b.

Less than 1

c.

Greater than 1

d.

Greater than 0

Discuss
Answer: (c).Greater than 1
Q73.
Which of the following is the distance that the solute moves while undergoing one partition?

a.

Retention distance

b.

Distribution constant

c.

Plate height

d.

Column packing length

Discuss
Answer: (c).Plate height
Q74.
Which of the following conditions will cause the efficiency of the column to increase?

a.

Plate number becomes greater, plate height becomes smaller

b.

Plate number becomes smaller, plate height becomes smaller

c.

Plate number becomes greater, plate height becomes larger

d.

Plate number becomes greater, plate height becomes larger

Discuss
Answer: (a).Plate number becomes greater, plate height becomes smaller
Q75.
Which of the following is the expression for Eddy diffusion in the column, if โ€˜ฮณโ€™ represents obstruction factor, โ€˜dโ‚šโ€™ represents particle diameter, โ€˜Dโ‚˜โ€™ represents Solute diffusion co-efficient and โ€˜ฮปโ€™ represents function for packing uniformity?

a.

ฮป dโ‚˜

b.

2 ฮณ Dโ‚˜

c.

Dโ‚˜ ฮณ

d.

ฮป/dโ‚˜

Discuss
Answer: (a).ฮป dโ‚˜
Q76.
Which of the following is the expression for longitudinal diffusion in the column, if โ€˜ฮณโ€™ represents obstruction factor, โ€˜dโ‚˜โ€™ represents particle diameter, โ€˜Dโ‚˜โ€™ represents Solute diffusion co-efficient and โ€˜ฮปโ€™ represents function for packing uniformity?

a.

ฮป dโ‚˜

b.

2 ฮณ Dโ‚˜

c.

Dโ‚˜ ฮณ

d.

ฮป/dโ‚˜

Discuss
Answer: (b).2 ฮณ Dโ‚˜
Q77.
In gas-liquid chromatography, when films are used in the interior of the capillary column, then what is the value of Eddy diffusion?

a.

Greater than 1

b.

Less than 1

c.

Zero

d.

Less than zero

Discuss
Answer: (c).Zero
Q78.
For an unpacked coated capillary column, the obstruction factor takes which of the following values?

a.

0

b.

0.6

c.

1

d.

1.6

Discuss
Answer: (c).1
Q79.
Base line resolution is achieved when degree of resolution/separation is ______

a.

1

b.

0

c.

0.5

d.

1.5

Discuss
Answer: (d).1.5
Q80.
Which of the following equations give the expression for plate number, N when โ€˜tRโ€™ is the adjusted retention time and โ€˜Wbโ€™ is the width at the base of the peak which is equal to 4 standard deviations.

a.

16 tR²/Wb

b.

4 tR²/Wb

c.

(4tR/Wb)²

d.

4 (tR/Wb)²

Discuss
Answer: (c).(4tR/Wb)²
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