Octet rule and its limitations

What are the formal charges on $\mathrm{P}$ and $\mathrm{O}$ in the Lewis (electron dot) structure of the phosphate oxyanion represented in the figure?

Identify odd-electron molecules from the following:

Which of the following oxides is an odd-electron molecule.

Which of the following noble gas compound has ${\mathrm{sp}}^3\mathrm{d}$ hybridisation?

If an element is represented by its Lewis symbols as   , then A may be

What will be the probable chemical formula if the valence shell of element $\mathrm{A}$ contain three electrons, while the valence shell of element $\mathrm{B}$ contain six electrons are combined?

The formal charge on each $\mathrm{N}$ in

In the Lewis structure, the formal charge on the central atom of ${\mathrm{SnCl}}_3^{-}$ is

Maximum number of lone pairs is present in Lewis dot structure of which compound?

What are the formal charges on oxygen atoms in the following Lewis structure of ${\mathrm{HNO}}_3?$

In ${{\mathrm{PO}}_4}^{3-}$ ion formal charge on the oxygen atom of $\mathrm{P}-\mathrm{O}$ bond is

Which of the following is a hypovalent species?

The average charge of the $\mathrm{O}-$ atom in the ${\mathrm{O}}_2^{-}$ ion will be :-

In which of the following molecule central atom is having complete octet?

Which of the following mixtures has predominantly "Keesom forces" between the molecules?

Which of following is not an exception to octet rule?

In Lewis structure of ozone $\left({\mathrm{O}}_3\right)$, formal charges on all three oxygen atoms can be ?

Number of molecules in which lone pair or odd electron of central atom present in directional orbital

${\mathrm{NH}}_3, {\mathrm{PH}}_3, {\mathrm{NO}}_2, {\mathrm{ClO}}_3, {\mathrm{H}}_2\mathrm{O}, \dot{\mathrm{C}}{\mathrm{F}}_3, \dot{\mathrm{C}}{\mathrm{H}}_3$

Which of the following is not an application of formal charge?