NEET | 2018Boron and Carbon FamilyHard

Question

Iron carbonyl, Fe(CO)5 is

Options

A.

tetranuclear

B.

mononuclear

C.

trinuclear

D.

dinuclear

Solution

Fe(CO)5
EAN = Z–O.N. + 2(C.N.)
= 26 – 0 + 2(5)
= 26 + 10
= 36
only one central metal atom/ion is present and it
follows EAN rule, so it is mononuclear

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