The electronic configuration of $Cu(II)$ is $3d^9$ whereas that of $Cu(I)$ is $3d^{10}$. Which of the following is correct?

  • A
    $Cu(II)$ is less stable
  • B
    Stability of $Cu(I)$ and $Cu(II)$ depends on the nature of copper salts
  • C
    $Cu(II)$ is more stable
  • D
    $Cu(I)$ and $Cu(II)$ are equally stable

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