Explore topic-wise MCQs in Chemistry.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following complex compounds will have minimum conductance in solution?

A. [Co(NH<sub>3</sub>)<sub>3</sub>Cl<sub>3</sub>]
B. [Co(NH<sub>3</sub>)<sub>4</sub>Cl<sub>2</sub>]Cl
C. [Co(NH<sub>3</sub>)<sub>6</sub>]Cl<sub>3</sub>
D. [Co(NH<sub>3</sub>)<sub>5</sub>Cl]Cl<sub>2</sub>
Answer» B. [Co(NH<sub>3</sub>)<sub>4</sub>Cl<sub>2</sub>]Cl
Discussion
2.

Which of the following statements is true regarding ionic speed?

A. It is independent of the size of the ion
B. It depends on the potential difference between the two electrodes
C. It is independent of the concentration of the electrolyte
D. It is independent of the charge of the ion
Answer» C. It is independent of the concentration of the electrolyte
Discussion
3.

Which of the following is ionic mobility independent of?

A. Size of ion
B. Charge on ion
C. Distance of separation between the electrodes
D. Concentration of electrolyte
Answer» D. Concentration of electrolyte
Discussion
4.

Which of the given solutions have an equal value of molar conductivity and equivalent conductivity?

A. 1M BaSO<sub>4</sub>
B. 1M KCl
C. 1M BCl<sub>3</sub>
D. 1M CaSO<sub>4</sub>
Answer» C. 1M BCl<sub>3</sub>
Discussion
5.

Which of the following is an additive property?

A. Surface tension
B. Viscosity
C. Conductance
D. Volume
Answer» D. Volume
Discussion
6.

Which of the following salts show maximum value of equivalent conductance in their fused state?

A. NaCl
B. KCl
C. RbCl
D. CsCl
Answer» E.
Discussion
7.

Which of the following conditions are satisfied when the electrolytic solutions are infinitely dilute?

A. Electrolyte is 100% dissociated
B. Interionic effects increase
C. Conductance is infinite at infinite dilution
D. Molecules continue to exist in solution
Answer» B. Interionic effects increase
Discussion
8.

What is the value of the cell constant when the conductance of an electrolytic solution is equal to its conductivity?

A. 0
B. 1
C. 10
D. 100
Answer» C. 10
Discussion
9.

Which of the following solutions has theleast value of conductivity?

A. 0.01M Na<sub>2</sub>SO<sub>4</sub>
B. 0.01M NaCl
C. 0.01M CH<sub>3</sub>COOH
D. 0.01M HCl
Answer» D. 0.01M HCl
Discussion
10.

Which of the following statements is correct regarding the conductivity of solutions of electrolytes?

A. It is independent of the size of the ions
B. It is independent of the viscosity of the solution
C. It depends on the solvation of ions present in solution
D. It decreases with temperature
Answer» D. It decreases with temperature
Discussion
11.

The limiting equivalent conductance for weak electrolytes can be calculated using Kohlrausch s law.

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

Which of the following statements is correct with respect to electrolytic solutions?

A. Its conductance increases with dilution
B. Its conductance decreases with dilution
C. Its conductivity increases with dilution
D. Its equivalent conductance decreases with dilution
Answer» B. Its conductance decreases with dilution
Discussion
13.

Which of the following scientists stated that the equivalent conductivity of an electrolyte at infinite dilution is equal to the sum of the conductances of the ions and cations?

A. Svante Arrhenius
B. Friedrich Kohlrausch
C. Hermann Kolbe
D. Antoine Lavoisier
Answer» C. Hermann Kolbe
Discussion
14.

Which of the following solutions cannot conduct electricity?

A. Sugar in water
B. NaCl in water
C. MgCl<sub>2</sub> in water
D. KCl in water
Answer» B. NaCl in water
Discussion
15.

The voltameter is an instrument in which electrical energy is converted to chemical energy.

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