Write the IUPAC name of : . $K [Co (CN) (CO)_{2} (NO)]$ and calculate the oxidation number of cobalt in this complex.

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potassium dicarbonyl cyano nitrosyl cobaltate(0)

potassium cyano dicarbonyl nitrtro cobalt(1)

potassium cyano carbondioxygen notro cobaltate(0)

potassium carbonyl cyano carbonyl notroso(0)

answer is A.

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Detailed Solution

${K [Co(CN ) (CO)}_{2} (NO)]$ is potassium dicarbonyI cyano nitrosyl Cobaltate (0). In this complex:

$K^{+ 1} [Co {(CN)}^{- 1} {(CO)}^{0} {(NO)}^{0}] ∴ Co oxidation number = 0$ .

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