STANDARDChemistry-Electrochemistry
STANDARD Chemistry Nernst Equation MCQ Question
Type: MCQ-numerical-Hard-Class 12
The correct Nernst equation for the given cell Pt(s)|Br₂|Br⁻(M)||H⁺(M)|H₂(g) (1 bar)|Pt(s) is
A
E₀cell = Ecell + 0.0591/2 log [Br₂]/[Br⁻]²
B
Ecell = E₀cell - 0.0591/2 log [Br⁻]²/[Br₂]
C
Ecell = E₀cell - 0.0591/2 log [H⁺]²/[H₂]
D
Ecell = E₀cell - 0.0591/2 log [Br⁻]²/[H₂]
Correct Answer
Option B
Detailed Explanation
The Nernst equation relates the reduction potential of a half-cell to the standard electrode potential, temperature, and activities of the chemical species involved.
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