In which hybridization is the bond angle the highest?

Compare the carbon-carbon $\sigma$ bond length in ethane, ethylene and acetylene.

In the formation of a certain compound,the central atom uses its hybrid orbitals and has a bond angle around it of $105^o$. The percentage of $s-$ character in the hybrid orbitals is likely to be

Which of the following processes involves a change in bond angle along with a change in hybridization?

The number of lone pairs of electrons and the hybridization of Xenon $(Xe)$ in $XeOF_2$ are

The species in which the $N$ atom is in a state of $sp$ hybridization is: