edurack

Electrochemistry: RE-NEET 2026

Medium· Electrochemical Cell (Electrode Potential and EMF of a Cell)· +4 / −1

The standard electrode potential (

E^\circ

) for the half-cell reaction

\mathrm{Fe^{3+} + e^- \rightarrow Fe^{2+}}

at

298

K is (Given :

E^\circ(\mathrm{Fe^{3+}/Fe}) = -0.04

V and

E^\circ(\mathrm{Fe^{2+}/Fe}) = -0.44

V at

298

K)

Practise more Electrochemistry PYQs

Given below are two statements : one is labelled as **Assertion A** and the other is labelled as **Reason R** : **Assertion A :** In…
NEET 2023 · Medium
Given below are half cell reactions: MnO_4^- + 8H^+ + 5e^- Mn^2+ + 4H_2O, E^_Mn^2+/MnO_4^-=-1.510\ V 12O_2 + 2H^+ + 2e^- H_2O,…
NEET 2022 · Hard
For a salt XY , which is a strong electrolyte, the plot of _m versus √(c) has a slope of -90.0\ S\,cm^2\,mol^-3/2\,L^1/2 at 298 K. At 0.01…
RE-NEET 2026 · Medium
The conductivity of centimolar solution of KCl at 25^C is 0.0210\ ohm^-1\,cm^-1 and the resistance of the cell containing the solution at…
NEET 2023 · Easy
On electrolysis of dil. sulphuric acid using Platinum (Pt) electrode, the product obtained at anode will be :
NEET 2020 · Easy
The number of Faradays (F) required to produce 20 g of calcium from molten CaCl_2 (Atomic mass of Ca = 40 g mol ^-1 ) is :
NEET 2020 · Easy