The electronic configuration (outermost) of Mn+2 ion.

(atomic number of Mn = 25 ) in its ground state is

  1. A

    3d54s0

  2. B

    3d44s1

  3. C

    3d34s2

  4. D

    3d24s24p2

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    Solution:

     25Mn=[Ar]3d54s2 +2 electrons-2 electronsMn+2=[Ar]3d54s0

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