NEET Chemistry · Hard

Redox Reactions: Cell emf MCQ

Solve this quality-checked NEET multiple-choice question, then review the correct answer and explanation.

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Cell emfHardQuestion 25065

Question

Cell emf is equal to:

  1. A
    Ecathode−EanodeE_{cathode}-E_{anode}
    Correct
  2. B
    Eanode−EcathodeE_{anode}-E_{cathode}
  3. C
    Sum of oxidation potentials only
  4. D
    Always positive 1 V

Correct answer

Ecathode−EanodeE_{cathode}-E_{anode}

Explanation

Standard cell potential is cathode minus anode.