The $emf$ of the following three galvanic cells:
$1. Zn|Zn^{2+} (1 \ M)||Cu^{2+} (1 \ M)|Cu$
$2. Zn|Zn^{2+} (0.1 \ M)||Cu^{2+} (1 \ M)|Cu$
$3. Zn|Zn^{2+} (1 \ M)||Cu^{2+} (0.1 \ M)|Cu$
are represented by $E_1, E_2, E_3$. Which of the following statements is true?

  • A
    $E_1 > E_2 > E_3$
  • B
    $E_3 > E_2 > E_1$
  • C
    $E_3 > E_1 > E_2$
  • D
    $E_2 > E_1 > E_3$

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