Concept of Hybridisation and its Applications

Which of the following represent the given mode of hybridisation  $s{p}^2-s{p}^2-sp-sp$ from left to right?

In which of the following species, the underlined carbon atom is  ${\mathrm{sp}}^{\text{3}}$ hybridised?

Write the definition of ${\mathrm{sp}}^3{\mathrm{d}}^3$ hybridisation.

The hybridisation in ${\mathrm{XeF}}_6$ molecule is 

How many orbitals take part in ${\mathrm{sp}}^3{\mathrm{d}}^3$ hybridisation.

What is ${\mathrm{sp}}^3{\mathrm{d}}^3$ hybridization? Give an example.

Which of the following molecules do not have regular geometry?

$\mathrm{B}{\mathrm{F}}_3$ molecule is formed by ${\mathrm{sp}}^2$ hybrid orbitals?

Among the following transformations, the hybridisation of the central atom remains unchanged in

The hybridisations of $\mathrm{N},\mathrm{C}$ and $\mathrm{O}$ shown in the following compound

respectively, are
 

The hybridisation of xenon atom in ${\mathrm{XeF}}_4$ is

Hybridisation of both 'c' in acetylene molecule 

In acetylene molecule, there are

The bond angles formed by different hybrid orbitals are in the order:

Which of the following is the correct order regarding the electronegativity of hybrid orbitals of carbon?

In an octahedral structure, the pair of d-orbitals involved in ${\mathrm{d}}^2{\mathrm{sp}}^3$ hybridisation is

Assertion. ${\mathrm{BF}}_3$ molecule is planar but ${\mathrm{NF}}_3$ is pyramidal.

Reason. $\mathrm{N}$ atom is smaller than $\mathrm{B}$

Assertion. ${\mathrm{SeCl}}_4$ does not have a tetrahedral structure.

Reason. $\mathrm{Se}$ in ${\mathrm{SeCl}}_4$ has two lone pairs