Explain why hydrogen fluoride (HF) has a higher boiling temperature than hydrogen chloride (HCL) even though HF has a lower molecular weight.
OK so from the looks of it I think that the bonding that bonds the H to the Cl and the H to the F is polar covalent. So why would it have the higher boiling point if it has a lower molecular weight?? I mean it must have something to do with bonding because a higher boiling point means that more thermal energy is required to separate the molecules.
Any help would be greatly appreciated.