Chemistry Exam > Chemistry Videos > Physical Chemistry > Introduction to Electrochemistry
Introduction to Electrochemistry Video Lecture | Physical Chemistry
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FAQs on Introduction to Electrochemistry Video Lecture - Physical Chemistry
| 1. What is electrochemistry? |  |
Ans. Electrochemistry is a branch of chemistry that deals with the study of chemical reactions that involve the movement of electrons. It focuses on how electricity can be used to drive chemical reactions and how chemical reactions can produce electricity.
| 2. What are the applications of electrochemistry? | |
Ans. Electrochemistry has various applications in our daily lives. It is used in batteries and fuel cells for energy storage and conversion. It is also used in electroplating, corrosion protection, and wastewater treatment. Additionally, electrochemistry plays a crucial role in chemical analysis techniques such as voltammetry and potentiometry.
| 3. How does electrochemistry relate to redox reactions? | |
Ans. Electrochemistry is closely related to redox (reduction-oxidation) reactions. Redox reactions involve the transfer of electrons between species. In electrochemistry, these electron transfers are harnessed to generate an electric current or to drive a chemical reaction. The movement of electrons during redox reactions is the basis for many electrochemical processes.
| 4. What are the components of an electrochemical cell? | |
Ans. An electrochemical cell consists of two electrodes (anode and cathode) immersed in an electrolyte solution. The anode is where oxidation occurs, while the cathode is where reduction occurs. The electrodes are connected through an external circuit, allowing the flow of electrons. The electrolyte provides a medium for ion transport between the electrodes.
| 5. How does electrolysis work in electrochemistry? | |
Ans. Electrolysis is a process in electrochemistry that uses an electric current to drive a non-spontaneous chemical reaction. It involves the decomposition of an electrolyte into its constituent ions using an electric current. The positive ions migrate towards the cathode, where they gain electrons and undergo reduction. The negative ions migrate towards the anode, where they lose electrons and undergo oxidation.
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Dec 23, 2024 Last updated |
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