Question

Which of the following statement is correct regarding metal carbonyl?

• A. In ${Mn}_2{\left(CO\right)}_{10}$ bond order of $Mn-Mn$ is $0$
• B. In ${Fe}_2{\left(CO\right)}_9$ bond order of $Fe-Fe$ is $1$
• C. In $Ni{\left(CO\right)}_4$, all bond length are same
• D. $Fe{\left(CO\right)}_5$ is diamagnetic

Answer 1

Answer: (C), (D)

The correct options are
C In $Ni{\left(CO\right)}_4$, all bond length are same
D $Fe{\left(CO\right)}_5$ is diamagnetic