The percentage of $s$-character in the hybrid orbitals of nitrogen in $NO_{2}^{+}$ and $NO_{3}^{-}$ respectively are:

What is the type of hybridization of $Xe$ in $XeF_2$?

Consider $PF_{5}$,$BrF_{5}$,$PCl_{3}$,$SF_{6}$,$[ICl_{4}]^{-}$,$ClF_{3}$ and $IF_{5}$.
Amongst the above molecule$(s)$/ion$(s)$,the number of molecule$(s)$/ion$(s)$ having $sp^{3}d^{2}$ hybridisation is $........$

The shape of the ethylene molecule is

What is the bond angle observed in the $H-C-H$ bond of ethane (in $^{\circ}$)?

Which of the following molecules has $sp^3d^2$ hybridisation and a square planar shape?