Chemistry: The Central Science (13th Edition)

Published by Prentice Hall
ISBN 10: 0321910419
ISBN 13: 978-0-32191-041-7

Chapter 22 - Chemistry of the Nonmetals - Exercises - Page 992: 22.37a


Atomic mass order of the halogens is as follows: F < Cl < Br < I Hence we note that the boiling point increase down the group.

Work Step by Step

This is due to the fact that van der Waal forces increase with increase in no. of electrons in an atom. Fluorine contains least electrons and Iodine contains most electrons.
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