1.

If (eta^(5)-C_(5)H_(5))" "M(C_(2)H_(4))_(2) follows EAN rule, the central metal atom/ion would be :

Answer»

`Co(Z=27)`
`Fe(Z=26)`
`Ni(Z=28)`
`Rh(Z=45)`

SOLUTION :`[(eta^(5)-C_(5)H_(5))overset(+1)M(C_(2)H_(4))_(2)]`
`impliesZ-1+6+2xx2=36 or 54`
`implies ""Z=27or 45`


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