Coordination CompoundHard
Question
Following Sidwick′s rule of EAN, Co(CO)x will be :
Options
A.Co2(CO)4
B.Co2(CO)3
C.Co2(CO)8
D.Co2(CO)10
Solution
Oxidation state of cobalt in Co2(CO)8 = 2x + 8 (-0) = or x = 0
So EAN = 27 + 1 + 8 = 36.
As it will be the atomic number of Kr and according to EAN rule, the complex having EAN equal to noble gas is more stable.
So EAN = 27 + 1 + 8 = 36.
As it will be the atomic number of Kr and according to EAN rule, the complex having EAN equal to noble gas is more stable.
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