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The d-orbital electronic configuration of the complex among [Co(en) 3 ] 3+ , [CoF 6 ] 3– , [Mn(H 2 O) 6 ] 2+ and [Zn(H 2 O) 6 ] 2+ that has the highest CFSE is

1. 2 g 3 g 2 e t
2. 4 g 6 g 2 e t
3. 0 g 6 g 2 e t
4. 2 g 4 g 2 e t

Correct answer: 0 g 6 g 2 e t

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