Question

(d) Explain the trend in the boiling points in the table above.

Answer 1

The trend of boiling points in the the table vary according to the size of the elements atom, if an element has a larger size it will need greater intermolecular forces and heat to break the strong bonds. Therefore Bromine has a larger size followed by chlorine and later fluorine, and this has shown in their boiling points

Answer 2

The BP increases in temperature as you move down the halogen group ( group 7)