In which of the following change both the electrons are removed from same orbital?

  1. A

    CuCu+2+2e

  2. B

    CrCr+2+2e

  3. C

    GeGe+2+2e

  4. D

    ZnZn+2+2e

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    Solution:

    The following change both the electrons are removed from same orbital are,

     29Cu [Ar] 3d104s1 24Cr[Ar]3d54s1 32Ge[Ar]3d104s2 30Zn[Ar]3d104s2

    The electrons are removed from same orbital in the  30Zn.

    Hence option D is correct.

     

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