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Questions and Answers
What is the definition of electrochemistry?
What is the definition of electrochemistry?
- The study of the interchange between electrical and chemical energy (correct)
- The study of electrolytic conduction
- The study of electrical conductors
- The study of metallic conduction
What is the mechanism of electrolytic conduction?
What is the mechanism of electrolytic conduction?
- It involves the free movement of electrons in the metallic lattice
- It involves the flow of current accompanied by the movement of matter in the form of ions (correct)
- It involves the transfer of electrons in the metallic lattice
- It involves the dissociation of ions in a conducting medium
What are metallic conductors?
What are metallic conductors?
- Substances allowing flow of current accompanied by movement of matter
- Substances allowing passage of electricity through movement of ions
- Substances allowing free movement of electrons in the metallic lattice (correct)
- Substances allowing dissociation into ions in a conducting medium
What is an electrolytic conductor?
What is an electrolytic conductor?
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What happens to Cl─ ion close to the anode during electrolytic conduction?
What happens to Cl─ ion close to the anode during electrolytic conduction?
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Study Notes
Electrochemistry
- Electrochemistry is the branch of chemistry that deals with the relationship between chemical reactions and electricity.
Conduction Mechanisms
- Electrolytic conduction is the process by which an electric current flows through an electrolyte, a substance that dissociates into ions.
- Mechanism of electrolytic conduction: ions in the electrolyte move towards the oppositely charged electrode, facilitating the flow of electric current.
Types of Conductors
- Metallic conductors: allow electric current to flow through the movement of electrons, not ions.
- Electrolytic conductors: substances that dissociate into ions, allowing electric current to flow through the movement of ions.
Electrolytic Conduction
- When an electric current is applied to an electrolyte, ions move towards the oppositely charged electrode.
- At the anode (positive electrode), negatively charged ions (anions) such as Cl─ move away from the anode, allowing the electric current to flow.
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