The correct statement(s) regarding the binary transition metal carbonyl compounds is (are) (Atomic numbers: Fe = 26, Ni = 28)

Engineering

Chemistry

Organometallic Compounds

Question

The correct statement(s) regarding the binary transition metal carbonyl compounds is (are)

(Atomic numbers: Fe = 26, Ni = 28)

These are predominantly low spin in nature

The carbonyl C-O bond weakens when the oxidation state of the metal is increased

Metal–carbon bond strengthens when the oxidation state of the metal is lowered

Total number of valence shell electrons at metal centre in Fe(CO)₅ or Ni(CO)₄ is 16

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