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QAIPM-2015-Ch-1302: NEET 2015 Chemistry - Class 12 AIPM-2015-Ch-1302 Solution: Which of these statements about $[Co(CN)_6]^{3-}$ is true?…

Which of these statements about

[Co(CN)_6]^{3-}

is true?

[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 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.

A [Co(CN) 6 ] 3 $-$ _ has four unpaired electrons and will be in a high-spin configuration.
B [Co(CN) 6 ] 3 $-$ _ has no unpaired electrons and will be in a high-spin configuration.
C [Co(CN) 6 ] 3 $-$ _ has no unpaired electrons and will be in a low-spin configuration.
D [Co(CN) 6 ] 3 $-$ _ has four unpaired electrons and will be in a low-spin configuration.

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