Bonding in Metal Carbonyls

Which of the following complexes has the strongest metal-carbon bond?

 Homonuclear metal carbonyls are those that have two or more than two metal centres but are of the same type.

An example of homonuclear metal carbonyl is

How the polynuclear metal carbonyls are classified on the basis of type of metals?

Write a note on the classification of metal carbonyls.

Write a short note on bonding in metal carbonyls.

The correct pair of orbitals involved in $\pi$ -bonding between metal and $\mathrm{CO}$ in metal carbonyl complexes is:

Which of following involves maximum $\mathrm{C}-\mathrm{O}$  bond length :-

Correct statement for these compounds is :

(i) $\mathrm{Co}{\left(\mathrm{CO}\right)}_6$

(ii) $\mathrm{Co}{\left(\mathrm{CO}\right)}_5{\mathrm{NH}}_3$

(iii) $\mathrm{Co}{\left(\mathrm{CO}\right)}_4{\left({\mathrm{NH}}_3\right)}_2$

(iv) $\mathrm{Co}{\left(\mathrm{CO}\right)}_3{\left({\mathrm{NH}}_3\right)}_3$

(v) $\mathrm{Co}{\left(\mathrm{CO}\right)}_2{\left({\mathrm{NH}}_3\right)}_4$

(vi) $\mathrm{Co}\left(\mathrm{CO}\right){\left({\mathrm{NH}}_3\right)}_5$

Cotyledons are also called-

The theory that can completely/properly explain the nature of bonding in $\left[\mathrm{N}\mathrm{i}\right(\mathrm{C}\mathrm{O}{)}_4]$ is

In metal carbonyls, there is –

The number of bridging $\mathrm{CO}$ ligand $\left(\mathrm{s}\right)$ and $\mathrm{Co}-\mathrm{Co}$ bond$\mathrm{ }\left(\mathrm{s}\right)$ in ${\mathrm{Co}}_2{\left(\mathrm{CO}\right)}_8$, respectively are

Among the following metal carbonyls, the $C-O$ bond order is lowest in

The correct order of $\mathrm{M}-\mathrm{C}\mathrm{\pi }$ bond and strength in given metal carbonyls is -

The correct order of $\mathrm{M}–\mathrm{C}\mathrm{ }\mathrm{\pi }$ bond and strength in given metal carbonyls is -

Metal Carbonyls In $\mathrm{F}\mathrm{e}{\left(\mathrm{C}\mathrm{O}\right)}_5$, the $\mathrm{F}\mathrm{e}-\mathrm{C}$ bond has:

In $\mathrm{F}\mathrm{e}{\left(\mathrm{C}\mathrm{O}\right)}_5$, the $\mathrm{F}\mathrm{e}\mathrm{ }—\mathrm{C}$ bond possesses

Among the following metal carbonyls, $\mathrm{C}—\mathrm{O}$ bond order is lowest in which of the following?

The most unstable carbonyl complex among the following is