Explore topic-wise MCQs in Analytical Instrumentation.

This section includes 24 Mcqs, each offering curated multiple-choice questions to sharpen your Analytical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.

1.

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
Answer» D. Greater than 0
Discussion
2.

Retention factor is also known as the capacitance factor.

A. True
B. False
Answer» B. False
Discussion
3.

Retention distance is the distance between point of injection and minimum peak in the recorder or computer generated chart.

A. True
B. False
Answer» C.
Discussion
4.

Which of the following is the ratio of a length of column packing to retention time?

A. Average linear rate of solute migration
B. Average linear rate of mobile migration
C. Relative migration rate
D. Selectivity factor
Answer» B. Average linear rate of mobile migration
Discussion
5.

Which of the following is the ratio of the length of column packing to dead time?

A. Average linear rate of solute migration
B. Average linear rate of mobile migration
C. Relative migration rate
D. Selectivity factor
Answer» C. Relative migration rate
Discussion
6.

Which of the following is the ratio of the interstitial volume of packing to the volume of its total mass?

A. Distribution constant
B. Volumetric phase ratio
C. Retention factor
D. Total porosity
Answer» E.
Discussion
7.

Which of the following is defined as the ratio of moles of solute in stationary phase to the moles of solute in the mobile phase?

A. Distribution constant
B. Volumetric phase ratio
C. Retention factor
D. Total porosity
Answer» D. Total porosity
Discussion
8.

If the value of the distribution constant ‘k’ is one, then what could be inferred about the distribution of solute?

A. Its distribution in stationary phase is greater
B. Its distribution in mobile phase is greater
C. It is equally distributed in stationary and mobile phase
D. It is distributed in a random manner
Answer» D. It is distributed in a random manner
Discussion
9.

How is the molar concentration of solute in stationary phase related to molar concentration of solute in the mobile phase?

A. Directly proportional
B. Inversely proportional
C. Equal
D. Not related
Answer» B. Inversely proportional
Discussion
10.

WHICH_OF_THE_FOLLOWING_IS_THE_RATIO_OF_LENGTH_OF_COLUMN_PACKING_TO_DEAD_TIME??$

A. Average linear rate of solute migration
B. Average linear rate of mobile migration
C. Relative migration rate
D. Selectivity factor
Answer» C. Relative migration rate
Discussion
11.

Retention distance is the distance between point of injection and minimum peak in the recorder or computer generated chart.$

A. True
B. False
Answer» C.
Discussion
12.

Which of the following is the ratio of length of column packing to retention time?$

A. Average linear rate of solute migration
B. Average linear rate of mobile migration
C. Relative migration rate
D. Selectivity factor
Answer» B. Average linear rate of mobile migration
Discussion
13.

What must be the value of selectivity factor?

A. Equal to 1
B. Less than 1
C. Greater than 1
D. Greater than 0
Answer» D. Greater than 0
Discussion
14.

Retention factor is also known as capacitance factor.

A. True
B. False
Answer» B. False
Discussion
15.

Retention volume can be obtained by finding the product of which of the following parameters?

A. Dead time and total porosity
B. Retention time and volumetric flow rate
C. Adjusted retention time and volumetric flow rate
D. Retention time and total porosity.
Answer» C. Adjusted retention time and volumetric flow rate
Discussion
16.

Which of the following is the ratio of interstitial volume of packing to the volume of its total mass?

A. Distribution constant
B. Volumetric phase ratio
C. Retention factor
D. Total porosity
Answer» E.
Discussion
17.

Which of the following is defined as the ratio of moles of solute in stationary phase to the moles of solute in mobile phase?

A. Distribution constant
B. Volumetric phase ratio
C. Retention factor
D. Total porosity
Answer» D. Total porosity
Discussion
18.

Adjusted retention volume is the remaining retention volume after subtracting ___________ from _____________

A. Solute migration rate and retention volume
B. Retention volume and solute migration rate
C. Dead volume and retention volume
D. Retention volume and dead volume
Answer» D. Retention volume and dead volume
Discussion
19.

Which of the following is the volume of mobile phase required to make a solute band move from the point of injection through the column to the detector?

A. Dead volume
B. Retention volume
C. Void volume
D. Adjusted retention volume
Answer» C. Void volume
Discussion
20.

Adjusted retention time is the remaining retention time after subtracting __________ from ___________

A. Solute migration rate and retention time
B. Retention time and solute migration rate
C. Dead time and retention time
D. Retention time and dead time
Answer» D. Retention time and dead time
Discussion
21.

The time required for a molecule of the mobile phase to pass through the column is called ___________

A. Dead time
B. Solute migration rate
C. Adjusted retention time
D. Retention time
Answer» B. Solute migration rate
Discussion
22.

The time taken by the analyte after sample injection to reach the detector is called _________

A. Dead time
B. Solute migration rate
C. Adjusted retention time
D. Retention time
Answer» E.
Discussion
23.

If the value of the distribution constant ‘k’ is one, then what could be inferred about the distribution of solute?$

A. Its distribution in stationary phase is greater
B. Its distribution in mobile phase is greater
C. It is equally distributed in stationary and mobile phase
D. It is distributed in a random manner
Answer» D. It is distributed in a random manner
Discussion
24.

How is molar concentration of solute in stationary phase related to molar concentration of solute in mobile phase?

A. Directly proportional
B. Inversely proportional
C. Equal
D. Not related
Answer» B. Inversely proportional
Discussion