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KCET2011ChemistryElectrochemistry

E₁, E₂ and E₃ are the emfs of the following three galvanic cells respectively.

Options

  1. AE₂>E₁>E₃
  2. BE₁>E₂>E₃
  3. CE₃>E₁>E₂
  4. DE₃>E₂>E₁

Correct answer

B. E₁>E₂>E₃

Step-by-step solution

E=E^ + 0.059 2 [ Cu ²⁺ ] [ Zn ²⁺ ] E₁>E₂>E₃

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