Which of these statements about [Co(CN)6]3− is true ?
[Co(CN)6] 3- has no unpaired electrons and will be in a high-spin configuration.
[Co(CN) 6] 3- has no unpaired electrons and will be in a low-spin configuration.
[Co(CN) 6] 3- has four unpaired electrons and will be in a low-spin configuration.
[Co(CN) 6] 3- has four unpaired electrons and will be in a high-spin configuration.
[Co(CN)6]3− has no unpaired electrons and will have low spin configuration.