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Introduction to CFT

Which of the ...

Question

Which of the following complex(es) is/are paramagnetic in nature ?

A

K

_{2}

[NiF

_{6}

]

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B

K

_{3}

[CoF

_{6}

]

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C

K

_{3}

[Fe(CN)

_{6}

]

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D

[Co(H

_{2}

O)

_{6}

]

^{3 +}

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Solution

The correct options are
B K $_{3}$ [CoF $_{6}$ ]
C K $_{3}$ [Fe(CN) $_{6}$ ]
K $_{3}$ [CoF $_{6}$ ] and K $_{3}$ [Fe(CN) $_{6}$ ] posses paramagnetic behaviour because both the compounds have unpaired electrons on central metal atom.
Hence options B & C are correct.

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