Question

Chlorine is a gas, bromine is a liquid, and iodine is a solid because of differences in the strength of their

a. hydrogen bonds.
b. dispersion forces.
c. dipole interactions.
d. polar bonds.

Answer 1

The London dispersion forces become progressively stronger. At a low enough temperature the molecules will all be solids. At a high enough temperature they will all be gases. It is only at temperatures between -7 °C and 59 °C that fluorine and chlorine are gases, bromine is a solid, and iodine is a solid

Answer 2

The answer is dispersion forces