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Question is

The electrons identified by quantum numbers n and l, are as follows

  1. n =4, l=1
  2. n = 4, l = 0

  3. n =3, l= 2

  4. n = 3, l = 1

If we arrange them in order of increasing energy, i.e., from lowest to highest, the correct order is

  • IV<II<III<I

  • II<IV<I<III

  • I < III < II < IV

  • III < I < IV < II

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