$C_{63} H_{88} {CoN}_{14} O_{14}$ P is the formulae of the Cyanocobalamine, (vitamin B₁₂) it contain ${CN}^{-} and {CN}^{-}$ is very poisonous, than why this compound does not prove to be fatal for us? (it inhibit the electron transport chain ?

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${CN}^{-}$ forms covalent bond

${CN}^{-}$ hydrolysis immediately

${CN}^{-}$ is coordinating to the cobalt as the ligand

All of these

answer is B.

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Detailed Solution

${CN}^{-}$ is coordinated to cobalt as the ligand and coordinated compounds have different properties than the individual species.

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