Explore topic-wise MCQs in Electrochemistry.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Electrochemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

How much electricity in in terms of Faraday is required to produce 100 g of Ca from molten CaCl2?

A. 1F
B. 2F
C. 3F
D. 5F
Answer» E.
Discussion
2.

The molar conductivity is maximum for the solution of concentration

A. 0.004 M
B. 0.002 M
C. 0.005 M
D. 0.001 M
Answer» E.
Discussion
3.

Faraday s law of electrolysis is related to

A. Atomic number of cation
B. Speed of cation
C. Speed of anion
D. Equivalent weight of electrolyte
Answer» E.
Discussion
4.

How long would it take to deposit 50 g of Al from an electrolytic cell containing Al2O3 using a current of 105 ampere?

A. 1.54 h
B. 1.42 h
C. 1.32 h
D. 2.15 h
Answer» C. 1.32 h
Discussion
5.

Electrical conductance through metals is called metallic or electronic conductance and is due to the movement of electrons. The electronic conductance depends on

A. the nature and structure of the metal
B. the number of valence electrons per atom
C. change in temperature
D. all of these
Answer» E.
Discussion
6.

For a certain redox reaction, E is positive. This means that

A. G is positive, K is greater than 1
B. G is positive, K is less than 1
C. G is negative, K is greater than 1
D. G is negative, K is less than 1
Answer» D. G is negative, K is less than 1
Discussion
7.

Which of the following is a secondary cell?

A. Leclanche cell
B. Lead storage battery
C. Concentration cell
D. All of these
Answer» C. Concentration cell
Discussion
8.

Fused NaCl on electrolysis gives .. on cathode.

A. Chlroine
B. Sodium
C. Sodium amalgam
D. Hydrogen
Answer» C. Sodium amalgam
Discussion
9.

If 96500 coulomb electricity is passed through CuSO4 solution, it will liberate

A. 63.5 gm of Cu
B. 31.76 gm of Cu
C. 96500 gm of Cu
D. 100 gm of Cu
Answer» C. 96500 gm of Cu
Discussion