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""EAN of Co(CO) 4 is 35. It attains stablity by dimerisation or reduction of Co"" Can u explain dimerisation concept in this question?

""EAN of Co(CO)4 is 35. It attains stablity by dimerisation or reduction of Co""


 


Can u explain dimerisation concept in this question?

Grade:11

1 Answers

Ramesh V
70 Points
12 years ago

EAN rule is that, in a number of metal complexes the metal atom tends to surround itself with sufficient ligands that the resulting effective atomic number is numerically equal to the atomic number of the noble-gas element found in the same period in which the metal is present

Here the nearest inert gas is Kypton(36)

Since EAN of Co(CO)4 is 35 , So the metals that cannot attain the EAN of the nearest inert gas in mono nuclear carbons will dimerize Co2(CO)8 in which oxidation state of metal increases by 1 unit.

 

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