What is the packing efficiency in a crystal lattice? Compare the packing efficiency of face-centered cubic and body-centered cubic structures.
Explain how soaps are different from detergents. Describe their cleansing action.
Define the term polymer. Differentiate between thermoplastic and thermosetting polymers with examples.
Explain the term nucleophilic substitution reaction and give an example involving a haloalkane.
Define the term phenol. Explain why phenol is more acidic than alcohol.
Describe the structure and functional group of a ketone. How does it differ from that of an aldehyde?
What is a ligand? Differentiate between unidentate and bidentate ligands, providing one example of each.
Explain why transition elements form colored compounds and have variable oxidation states.