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What is Electrode Potential, What is Standard Electrode Potential Notes Chapter 3 Electrochemistry Chemistry Class 12

What is electrode potential, What is standard electrode potential, What is cell potential, How to represent a galvanic cell chapter 3 can study by students of class 12. These definitiona and formulas of Class 12 Chemistry Chapter 3: Electrochemistry is developed and witten by our expert teachers. Chemistry formulas. electrode potential, cell potential & Represent a galvanic cell is prepapred and collected from varius resources to help the students.

Q-4 What is electrode potential ?
A potential difference develops between the electrode and the electrolyte which is called electrode potential.

Q-5 What is standard electrode potential?
When the concentrations of all the species involved in a half-cell is unity (concentration is 1M ) and temperature is 298 K, the electrode potential is known as standard electrode potential.

Q-6 What is cell potential?
The potential difference between the two electrodes of a galvanic cell is called the cell potential and is measured in volts.
What is electrode potential and cell electromotive force (emf)?
The cell potential is the difference between the electrode potentials (reduction potentials) of the cathode and anode. It is called the cell electromotive force (emf) of the cell when no current is drawn through the cell.Under this convention the emf of the cell is positive and is given by the potential of the half-cell on the right hand side minus the potential of the half-cell on the left hand side
i.e.

Ecell = Eright – Eleft

Q-7 How to represent a galvanic cell?
A galvanic cell is generally represented by putting a vertical line between metal and electrolyte solution and putting a double vertical line between the two electrolytes connected by a salt bridge.
For the cell reaction

Cu(s) + 2Ag+(aq) → Cu2+(aq) + 2 Ag(s)
The cell can be represented as:
Cu(s)|Cu2+(aq)||Ag+(aq)|Ag(s)

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