For the cell prepared from electrodes A and B
A : Cr₂O₇²⁻ / Cr³⁺ ; E°red = +1.33 V
B : Fe³⁺ / Fe²⁺ ; E°red = +0.77 V
Which statement(s) is/are correct-
For I₂ + 2e⁻ → 2I⁻ E°red = +0.54 V and 2Br⁻ → Br₂ + 2e⁻ E°ox = +1.09 V For Fe →
NextThe solution of nickel sulphate in which nickel rod is dipped is diluted to 10 t
In an electrolytic cell 1 L of 0.1 M aqueous MnO4²⁻ is converted to MnO4⁻. What statement is correct
HardThe standard reduction potential E° for OCl⁻/Cl⁻ = 0.86 V and Cl⁻/½Cl₂ = −1.10 V The E° value of OCl
HardA fuel cell involves combustion of butane at 1 atm and 298 K, C₄H₁₀ + 13/2 O₂ → 4CO₂ + 5H₂O ΔG° = −2
MediumThe EMF of the cell Ni | Ni²⁺ || Cu²⁺ | Cu is 0.59 V. E°(Cu²⁺/Cu) = +0.34 V The standard reduction p
MediumThe reaction for the cell, Zn | Zn²⁺(1.0 M) || Cd²⁺(1.0 M) | Cd is-
EasyThe value of equilibrium constant for a feasible cell reaction is-
Practice Chemistry Exams
Full-length mock tests with detailed analytics, rank, and percentile.
Browse Exams