Kossel-Lewis Approach to Chemical Bonding

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?

Electron deficient species among the following is:

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?

In ${\mathrm{OF}}_2$ molecule, the number of bond pairs and lone pairs of electrons are $2 \mathrm{and} 8$.

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 formal charge on the $\mathrm{O}$-atoms in the ion ${\mathbf{[}\mathbf{:}\ddot{\mathbf{O}}\mathbf{=}\mathbf{N}\mathbf{=}\ddot{\mathbf{O}}\mathbf{:}\mathbf{]}}^{\mathbf{+}}$ is

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 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

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