Electrode Potential and Standard Electrode Potential
Electrode Potential and Standard Electrode Potential: Overview
This topic covers concepts, such as Reduction Electrode Potential, Standard Oxidation Electrode Potential, Measurement of EMF of a Cell, Calomel Electrode, Factors Affecting Electrode Potential of an Electrode/EMF of a cell, Nature of Electrode, etc.
Important Questions on Electrode Potential and Standard Electrode Potential
Two half-cell reactions of an electrochemical cell are given below :
What would be the final cell potential?

A copper-silver cell is set up. The copper ion concentration in it is 0.10 M. The concentration of silver ion is not known. The cell potential measured is 0.422 V. Determine the concentration of silver ion in the cell. Given : .

A solution containing one mole per litre of each is being electrolysed by using inert electrodes. The values of standard electrode potentials in volts are :
With increasing voltage, the sequence of deposition of metals on the cathode will be :

The equilibrium constant for the reaction, would be, if the standard reduction potentials in acidic conditions are 0.77 V and 0.54 V respectively for couple.

A standard hydrogen electrode has zero electrode potential because

Standard electrode potential data are useful for understanding the suitability of an oxidant in a redox titration. Some half cell reactions and their standard potentials are given below :
Identify the only incorrect statement regarding the quantitative estimation of aqueous

When the samples of copper with zinc impurity is to be purified by electrolysis, the appropriate electrodes are –

In the transition metal series, the positive standard electrode potential is shown by

Which of the following choices of and would make the reaction
spontaneous at ?
[at , use standard reduction potentials: ;]

The reaction at has The equilibrium constant for this reaction is

The value of potential of the cell in which the following reaction takes place at is
[At ]

Standard electrode potentials of redox couples and are and respectively. Which of these is best oxidising agent and reducing agent respectively?

Three metals , and are arranged in increasing order of standard reduction electrode potential, hence their chemical reactivity order will

Electrode potential for given reaction

Standard reduction potential is calculated at

Select the correct statement.
Given that .

A solution is 1 molar in each of and . To this metal is added, which of the following is true?
Given

For a galvanic cell calculated for its all reaction will be

Given half-cell potentials and , find the standard reduction potential of

The standard reduction potential for are respectively . The reaction will have more negative value when and are-
