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Q.

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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a

potassium cyano carbondioxygen notro cobaltate(0)

b

potassium carbonyl cyano carbonyl notroso(0)

c

potassium dicarbonyl cyano nitrosyl cobaltate(0)

d

potassium cyano dicarbonyl nitrtro cobalt(1)

answer is A.

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Detailed Solution

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 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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