In which of the following , central atom does not have one lone pairs of electron ?

In which , central atom s has have one lone pair of electron ?

In which of the following, the central atoms has two lone pairs of electrons

In which of the following molecules, the central atom has two lone pairs of electrons ?

Which of the following act as a ligand but does not have any lone pair of electrons ?

Which of the following acts as a ligand but does not have any lone pair of electrons ?

Which of the following acts as a ligand but does not have any lone pair of electrons ?

In which of the following molecules, the central atom has one lone pair and three bond pairs of electrons.

In which of the following molecules, the central atom has one lone pair and three bond pairs of electrons,