List of practice Questions

What is meant by hybridisation of atomic orbitals? Describe the shapes of \(sp, sp ^2 , sp ^3\) hybrid orbitals.

Describe the change in hybridisation (if any) of the Al atom in the following reaction.
\(AlCl_3+Cl^- \rightarrow AlCl_4^-\)

Is there any change in the hybridisation of B and N atoms as a result of the following reaction? 
\(BF_3+ NH_3 \rightarrow F_3B.NH_3\)

Describe the hybridisation in case of \( PCl_5\). Why are the axial bonds longer as compared to equatorial bonds?