Which of the following complex ion has a magnetic moment same as $[Cr(H_2O)_6]^{3+}$ ?

  • A

    $[Mn(H_2O)_6]^{4+}$

  • B

    $[Mn(H_2O)_6]^{3+}$

  • C

    $[Fe(H_2O)_6]^{3+}$

  • D

    $[Cu(H_3N)_4]^{2+}$

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