Which of these statement about Co(CN)63-is true

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Co(CN)63- has four unpaired electrons and will be in a high-spin configuration.

Co(CN)63-has no unpaired electrons and will be in a high-spin configuration.

Co(CN)63-has no unpaired electrons and will be in a low-spin configuration.

Co(CN)63- has four unpaired electrons and will be in a low-spin configuration.

answer is C.

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Detailed Solution

Co(CN)63- oxidation no. of Co=+3 Co3+=3d6As CN- is a strong field ligand, so all electrons will be paired up and complex will be low spin complex.

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