What type of covalent bond is formed by hybrid orbitals?

The hybrid orbitals used by central atoms in $BeCl_2$,$BCl_3$ and $CCl_4$ molecules are respectively

In which of the following does the central atom $NOT$ use $sp^3$ hybrid orbitals in its bonding?

Which hybrid orbitals are used by carbon atom in the following molecules?
$(a)$ $CH_3-CH_3$
$(b)$ $CH_3-CH=CH_2$
$(c)$ $CH_3-CH_2-OH$
$(d)$ $CH_3-CHO$
$(e)$ $CH_3COOH$

In $XeF_2$,the hybridisation of $Xe$ is:

Which of the following does not have $sp^3$ hybridization?