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Friday, 9 October

JEE Main Chemistry · Electrochemistry

pH Dependence of Electrode Potential

pH Dependence of Electrode Potential (Electrochemistry) was asked 2 times in 2 JEE Main shifts, 2020–2025, out of the 42 shifts Lumi analysed. 2 of the 2 had a numerical answer.

Times asked
2
in 2 shifts
Years
2020–2025
Usual format
Numerical value
Calculation
Pattern
Occasional
repeats across shifts

How it is asked

  • Ph from zero emf of half cell
  • Electrode potential at given ph

Difficulty

Easy 0Medium 2Hard 0

Where it sits

Chapter: Electrochemistry. Topic: Nernst Equation, 23 questions over 9 ideas.

Other repeat ideas in this topic

Every time it came

All 2 questions

Newest first, each with its options and official answer.

  1. 8 Apr 2025, Shift 2 · Q75Consider the following half cell reaction Cr2O72−(aq)+6e−+14H+(aq)⟶2Cr3+(aq)+7H2O(l)\mathrm{Cr_2O_7^{2-}(aq) + 6e^- + 14H^+(aq) \longrightarrow 2Cr^{3+}(aq) + 7H_2O(l)} The…MediumNumerical value
  2. 8 Jan 2020, Shift 1 · Q48What would be the electrode potential for the given half cell reaction at pH=5 ? ______.…MediumNumerical value