How many maximum possible set(s) of quantum no. are possible for 6th  electron of Fe?

  1. A

    1

  2. B

    3

  3. C

    6

  4. D

    10

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    Solution:

     The maximum possible set(s) of quantum no. are possible for 6th  electron of Fe is 6.

    The electronic configuration of Fe is 

    1s22s22p63s23p63d64s2   (6th e-)

    For 2p orbital

    n=2,l=1,m=+1,0,1

    The possible  number of sets are

    n=2,l=1,m=+1,s=±12n=2,l=1,m=1,s=±12n=2,l=1,m=0,s=±12

    From the above observation it is obtained that the maximum possible set(s) of quantum no. are possible for 6th  electron of Fe is 6.

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