Hybridization

The correct structure of ${\mathrm{PCl}}_3{\mathrm{F}}_2$ is:

Among ${\mathrm{CH}}_4, {\mathrm{CO}}_2, {\mathrm{H}}_2\mathrm{O}$ and ${\mathrm{SO}}_2$, the bond angle is the highest in:

In which of the following molecules/species are all following characteristics are found:

(a) Tetrahedral hybridisation

(b) Hybridisation can be considered to have taken place with the help of empty orbital(s).

(c) All bond lengths are identical, i.e., all $\mathrm{A}-\mathrm{B}$ bond lengths are identical.

Consider the following statements:

${\mathrm{S}}_1$: Fluorine does not form any polyhalide because it does not have $\mathrm{d}$-orbitals in the valence shell.

${\mathrm{S}}_2$: In ${\mathrm{CIF}}_3$, the three lone pairs of electrons occupy the equatorial position.

${\mathrm{S}}_3$: In ${\mathrm{B}}_2$ and ${\mathrm{N}}_2$ molecules, mixing of $\mathrm{s}$- and $\mathrm{p}$-atomic orbitals takes place.

Of these statements:

Which reaction involves a change in the electron-pair geometry for the underlined element?

The hybridisation of central atoms in ${\mathrm{N}}_3^{-}, \mathrm{NOCl}$ and ${\mathrm{N}}_2\mathrm{O}$ respectively are:

In which of the following compounds $\mathrm{B}$ atoms are in ${\mathrm{sp}}^2$ and ${\mathrm{sp}}^3$ hybridisation states?

Among the following compounds, the one that is polar and has central atom with ${\mathrm{sp}}^3$ hybridisation is:

Consider the following statements:

${\mathrm{S}}_1$: ${\mathrm{N}}_2{\mathrm{H}}_4$ is pyramidal about each $\mathrm{N}$ atom.

${\mathrm{S}}_2$: ${\mathrm{NH}}_2\mathrm{OH}$ is pyramidal about the $\mathrm{N}$ atom and bent about the $\mathrm{O}$ atom.

${\mathrm{S}}_3$: ${\mathrm{CH}}_3\mathrm{COCl}$ is trigonal about the carbon atom (attached to $\mathrm{O}$ and $\mathrm{Cl}$).

Out of these, select the correct one.

Among the following transformations, the hybridization of the central atom remains unchanged in:

Which of the following statement is true for ${\mathrm{IO}}_2{\mathrm{F}}_2^{-}$?

The structure of ${\mathrm{F}}_2\mathrm{SeO}$ is analogous to _____.

ln ${\mathrm{XeF}}_2, {\mathrm{XeF}}_4$ and ${\mathrm{XeF}}_6 \left(\mathrm{g}\right)$, the number of lone pairs on $\mathrm{Xe}$ respectively are:

Which of the following is not linear?

Select the systematic diagram that represents the correct change in the $\% \mathrm{s}-$character in the hybrid orbital of beryllium.

Percentage of $\mathrm{p}-$character in each orbital of central atom used for bonding in ${\mathrm{NH}}_3$ is:

Consider the following statement(s) for $°{\mathrm{CH}}_3=\mathrm{X}$ and $\dot{\mathrm{C}}{\mathrm{F}}_3=\mathrm{Y}$'

($\mathrm{I}$) When $\mathrm{X}$ dimerises, bond angle decreases

($\mathrm{II}$) When $\mathrm{X}$ dimerises, bond angle increases

($\mathrm{III}$) In $\mathrm{X}-\mathrm{Y}$ molecule, $\mathrm{C}-\mathrm{C}$ bond length is less than that in $\mathrm{Y}-\mathrm{Y}$ molecule

($\mathrm{IV}$) Bond angle in $\mathrm{X}$ is greater than that in $\mathrm{Y}$. Pick the incorrect statements.

The correct decreasing order of bond angles in ${\mathrm{H}}_2\mathrm{S}, {\mathrm{NH}}_3, {\mathrm{BF}}_3$and ${\mathrm{SiH}}_4$is:

The percentage of $\mathrm{s}-$character in orbitals of central atom of a molecule $\text{'}\mathrm{A}\text{'}$ is greater than that in ${\mathrm{XeO}}_2{\mathrm{F}}_2$ and less than that in ${\mathrm{CS}}_2$. Then, what is true about $\mathrm{A}$?

Arrange the following in increasing order of bond angle.

(i) $\mathrm{H}-\mathrm{C}-\mathrm{H}$ angle in ${\mathrm{CH}}_4$

(ii)  $\mathrm{Cl}-\mathrm{B}-\mathrm{Cl}$ angle in ${\mathrm{BCl}}_3$

(iii)  Adjacent $\mathrm{F}-\mathrm{S}-\mathrm{F}$ angle in ${\mathrm{SF}}_6$

(iv) $\mathrm{I}-\mathrm{I}-\mathrm{I}$ angle in ${\mathrm{I}}_3^{-}$