What does “Electrode potential” actually mean in Electrochemistry, and why does it matter for JEE?
the tendency of an electrode to gain electrons; cell EMF = E(cathode) − E(anode).
In simple words: the tendency of an electrode to gain electrons; cell EMF = E(cathode) − E(anode). Getting Electrode potential clear matters because JEE questions on Electrochemistry usually test this idea directly, not just a formula you memorised.
Key point
Electrode potential
Common mistake
forgetting to keep reduction potentials consistent when subtracting.
Memory tip
a positive cell EMF means the reaction is spontaneous.
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