Two lone pairs of electrons and two bond pairs of electrons are present in

Identify the wrongly matched pair.
Molecule $\quad$ $\quad$ Shape or geometry of molecule

The number of species from the following which have a square pyramidal structure is $PF_{5}$,$BrF_{4}^{-}$,$IF_{5}$,$BrF_{5}$,$XeOF_{4}$,$ICl_{4}^{-}$.

$CO_2$ is isostructural with

Which one of the following sets is correct for the interhalogen compound $BrF_5$?

Which of the following is $NOT$ tetrahedral in shape?