Chemistry - Electrochemistry Question with Solution | TestHub

(A) Pt | H₂ (1 atm) | H⁺ (1M) represents standard hydrogen electrode.
Standard electrode potential E° = 0 V.
Match: 3, 4

(B) Correct chlorine electrode representation is Pt | Cl₂ | Cl⁻.
Given representation is wrong.
Match: 1

(C) Hydrogen electrodes with different H⁺ concentration (C₁, C₂) form concentration cell.
For concentration cells E° = 0.
Match: 2, 4

(D) Hydrogen electrodes with different gas pressure (p₁, p₂) also form concentration cell.
Standard EMF E° = 0.
Match: 2, 4