Classify the following complex ions as high spin or low spin:

Classify the following complex ions as high spin or low spin:

  1. [ Fe (CN)6 ] 4- no unpaired e-
  2. [ Fe (CN)6 ] 4- one unpaired e-
  3. [ Co (NH3) 6 ] 2+ three unpaired e-'s
  4. [ Co F6 ] 3- four unpaired e-'s
  5. [ Mn (H2O) 6 ] 2+ five unpaired e-'s