Explain why chlorine has a lower boiling point than Bromine. (2 marks)
Chlorine molecules are smaller than bromine molecules in size, therefore, the van der Waals forces (intermolecular forces) are weaker between Cl2 molecules than compared to Br2 molecules.
JB
Related Chemistry A Level answers
All answers ▸What is the order of decreasing acidity for the molecules phenol, ethanoic acid and ethanol? Why?
By considering the mechanism of the two step reaction of butanone and NaBH4 followed by dilute acid, explain why the product has no effect on plane polarised light.
In terms of structure and bonding explain why the boiling point of magnesium is much higher than that of bromine?
What is the geometry of a ClF3 molecule? (AQA Unit 1 2015 1d)