Question

Use your knowledge of bonding, intermolecular forces, and molecular geometry to expalin the following:

a) The geometry of I₃^-1 is linear but the molecule is polar.

b) The energy derived from the combustion of CH₄ comes from the breaking of the C-H bonds; true or false? Why?

c) Rank HF, HI, and HBr from highest to lowest boiling point & explain why.

d) Ethanol, C₂H₅OH can be separated from water using distillation, how is this possible?

e) Molecules that form hydrogen bonds always have higher boiling points than molecules that only have London Dispersion forces; true or false? Why?

Answer 1