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 ▸Define the standard enthalpy of formation
In terms of structure and bonding explain why the boiling point of magnesium is much higher than that of bromine?
Explain in detail what do you understand by catalyst, what makes them so useful and give two example of catalytic processes including the name catalyst used.
State and explain the trend in atomic radius down a group of the periodic table