Molecular compounds of low molecular weight tend to be gases at room temperature. Which of the following is most likely not a gas at room temperature?

Question

Quizplus · Accepted Answer

LiCl is an ionic compound, which has a high melting point and boiling point. It exists as a solid at room temperature. The other compounds listed are molecular compounds with low molecular weights and are more likely to exist as gases at room temperature.

Molecular Compounds of Low Molecular Weight Tend to Be Gases