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NCERT Solutions for class 12 Chemistry Chapter 3 Electrochemistry are provided in this article. It consists of all important formulas, chemical equations, important laws and numericals. Important topics covered in Class 12 Chemistry Chapter 3 Electrochemistry are:
- Electrochemical Cell
- Nernst Equation
- Electrolytic Cells and Electrolysis
- Fuel Cells
- Electrolytic & Galvanic Cells
- Anode and Cathode
- Batteries
Expected No.of Questions: 2 to 4 questions of 9 marks
Download PDF: NCERT Solutions for Class 12 Chemistry Chapter 3 Electrochemistry PDF
NCERT Solutions for Class 12 Chemistry Chapter 3
NCERT Solutions PDF for Class 12 Chemistry Chapter 3 Electrochemistry is given below.
Class 12 Chemistry Chapter 3: Electrochemistry – Important Topics
Important topics of Class 12 Chemistry Chapter 3 Electrochemistry includes the following.
Electrochemistry deals with the study of electricity in chemistry involving electrodes, electrolysis, solutions and solvents. This mechanism is commonly seen in Electrochemical cells. There are two common types of electrochemical cells.
| Galvanic Cell: In this, chemical energy is converted to electrical energy. It is also known as voltaic cell. Here, the anode is negatively charged and cathode is positively charged. Electrolytic Cell: In this, electrical energy is converted to chemical energy. Here, the cathode is negatively charged and anode is positively charged. |
Standard Electrode Potential is the standard EMF of the cell. The potential difference between the electrode and electrolyte is known as the potential of electrode and at unit concentration.
| E0Cell = E0red, Cathode – E0red, Anode |
Nernst equation is establishes the relation between the cell potential of an electrochemical cell, the standard cell potential, temperature, and the reaction quotient.
| \(E_{cell} = E^0 _{cell} - \frac{RT}{nF}ln Q\) |
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