Explore topic-wise MCQs in Analytical Instrumentation.

This section includes 15 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.

LiCl salt bridge is more suitable in organic solvents than KCl.

A. True
B. False
Answer» B. False
Discussion
2.

Which of the following salt bridge solutions must be used for silver/silver chloride electrode?

A. Saturated KCl
B. Saturated K2SO4
C. Saturated LiCl
D. Saturated KNO3
Answer» B. Saturated K2SO4
Discussion
3.

While using reference electrodes, the internal liquid level should always be kept above that of the sample solution.

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

Which of the following is not the characteristics of a calomel electrode?

A. The potential of electrode is not temperature dependent
B. Preparation of electrode is easy
C. Value of potential or emf is higher for lower concentration of Kcl
D. Value of potential decreases with increasing concentration of Kcl
Answer» B. Preparation of electrode is easy
Discussion
5.

WHILE_USING_REFERENCE_ELECTRODES,_THE_INTERNAL_LIQUID_LEVEL_SHOULD_ALWAYS_BE_KEPT_ABOVE_THAT_OF_THE_SAMPLE_SOLUTION.?$

A. True
B. False
Answer» B. False
Discussion
6.

LiCl salt bridge is more suitable in organic solvents than KCl.$

A. True
B. False
Answer» B. False
Discussion
7.

Which of the following salt bridge solutions must be used for silver/silver chloride electrode?$

A. Saturated KCl
B. Saturated K<sub>2</sub>SO<sub>4</sub>
C. Saturated LiCl
D. Saturated KNO<sub>3</sub>
Answer» B. Saturated K<sub>2</sub>SO<sub>4</sub>
Discussion
8.

Which of the following is not the characteristics of silver/silver chloride electrode?

A. These electrodes have good electrical and chemical stability
B. It can be used in temperatures greater than 600<sub>o</sub>C
C. It can be used in places or solutions that have strong reducing agents
D. It should not be used in solutions that contain proteins, sulphide or bromide
Answer» D. It should not be used in solutions that contain proteins, sulphide or bromide
Discussion
9.

Which of the following is not the characteristics of calomel electrode?

A. The potential of electrode is not temperature dependent
B. Preparation of electrode is easy
C. Value of potential or emf is higher for lower concentration of Kcl
D. Value of potential decreases with increasing concentration of Kcl
Answer» B. Preparation of electrode is easy
Discussion
10.

When the calomel electrode acts as the cathode which of the following does not occur?

A. Mercury ions are discharged at the electrode
B. More calomel passes into the solution
C. There is a decrease in the concentration of chloride ions
D. There is an increase in the concentration of chloride ions
Answer» E.
Discussion
11.

Calomel electrode can behave as which of the following components?

A. Anode only
B. Cathode only
C. Anode or cathode
D. Salt bridge
Answer» D. Salt bridge
Discussion
12.

Which of the following calomel electrodes are used for accurate work?

A. Saturated calomel electrode
B. Electrode with 0.1M Kcl
C. Electrode with 1M Kcl
D. Electrode with 2M Kcl
Answer» C. Electrode with 1M Kcl
Discussion
13.

The calomel electrodes are classified based on which of the following?

A. Materials used in the electrode
B. Amount of mercury present
C. Concentration of Kcl
D. Purity of mercury
Answer» D. Purity of mercury
Discussion
14.

Which of the following is known as calomel?

A. Silver chloride
B. Mercury chloride
C. Potassium chloride
D. Mercury sulphate
Answer» C. Potassium chloride
Discussion
15.

Which of the following cannot be used as secondary reference electrode?

A. Calomel electrode
B. Silver-silver chloride electrode
C. Mercury-mercury sulphate electrode
D. Glass electrode
Answer» E.
Discussion