NEET Chemistry ยท Hard

Redox Reactions: Concentration cell MCQ

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

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Concentration cellHardQuestion 25086

Question

A concentration cell generates emf because the two half-cells have:

  1. A
    Different ion concentrations
    Correct
  2. B
    Different temperatures only
  3. C
    Different metals only
  4. D
    Different masses only

Correct answer

Different ion concentrations

Explanation

The tendency is to equalise concentration.