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Iron carbonyl, Fe(CO)5 is...

Iron carbonyl, `Fe(CO)_5` is

A

(a) tetranuclear

B

(b) mononuclear

C

(c) trinuclear

D

(d) dinuclear

Text Solution

Verified by Experts

The correct Answer is:
B
`Fe(CO)_5`
`EAN=(Z)-(O.N)+2(C.N.)Z=` Atomic no., O.N
=oxidation no. of central atom
`=26-0+2(5)` C.N.= Coordination no.
`=26+10=36`
only one central metal atom/ion is present and it follows EAN rule, so it is mononuclear.
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