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

Answer:

High-spin complex ions:

4)[Co F6 ] 3- four unpaired e-‘s

5)[Mn (H2O) 6 ] 2+ five unpaired e-‘s

Low-spin complex ions:

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

Chemistry

3 years ago

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