Answer to Question #114354 in General Chemistry for Christopher

Question

Br2 and Cl2 can react to form the compound BrCl.

(c) The boiling point of Br2 is 332K, whereas the boiling point of BrCl is 278K. Explain this difference in boiling point in terms of all the intermolecular forces present between molecules of each substance.

Answer 1

The main reason for this is that is the molar mass of Br₂ is much much higher than BrCl and in both london dispersion forces are present but in case of Br₂ the force is stronger than the BrCl because Br₂ has more electrons present in it