Question

1. which of the following substances is likely to be a gas at room temperature due to weak intermolecular forces? a. methane (ch₄) b. sodium chloride (nacl) c. water (h₂o) d. ethanol (c₂h₅oh)

Explanation:

Methane has weak London - dispersion forces as a non - polar molecule. Sodium chloride is an ionic solid. Water and ethanol have hydrogen bonding which are stronger intermolecular forces.

Answer:

A. Methane ($CH_4$)