Electrolysis Multiple Choice Questions and Answers

1. A weak electrolyte is one which

1. dissociates completely
2. is feebly ionised in the solution
3. ionises completely
4. is having high electrical conductivity

2. An electrolyte is a

1. metal
2. sugar
3. cell
4. liquid that conducts electricity

3. During electrolysis of NaCI, the gas discharged at the anode is

1. Chlorine
2. Hydrogen
3. Oxygen
4. None of these

4. During electrolysis, anions undergo

1. reduction, anode
2. oxidation, cathode
3. oxidation, anode
4. oxidation, cathode

5. During electrolysis, the electrolyte conducts electricity by the movement of

1. delocalized electrons
2. mobile cations and anions
3. electrolyte particles
4. solvent particles

6. For electrolysis to work, used compound should be a

1. insulator
2. conductor
3. metalloid
4. non conductor

7. Sodium chloride is a

1. strong electrolyte
2. weak electrolyte
3. non-electrolyte
4. None of these

8. The current flow through electrolyte is due to the movement of

1. Holes
2. Electrons
3. Ions
4. None of these

9. The electrode where the current enters the electrolyte is called the

1. electric current
2. conductor
3. anode
4. cathode

10. The material which is to be electroplated

1. can be connected to either cathode or anode
2. is freely kept in the electrolytic tank
3. is connected to the terminal of the cathode
4. is connected to the terminal of the anode