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 ▸Explain why xenon has a lower first ionization energy than neon.
Explain the trend in first ionisation energy as you go across Period 3
Why does bromine water become colourless upon the addition of ethene, but not ethane? What is this reaction called?
What evidences are used to prove that Benzene's kekule model is incorrect and that Benzene has a delocalised Pi structure.