Which of the following substances would you expect to have the lowest boiling point? A)diamond B)methane,CH₄ C)sodium nitrate,NaNO₃ D)glycerine,C₃H₅(OH)₃ E)copper

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Methane has the lowest boiling point because it is a small molecule with only London dispersion forces between its molecules. The other substances listed have stronger intermolecular forces, either due to larger molecular size (glycerin) or ionic bonding (sodium nitrate), resulting in higher boiling points. Diamond and copper are both solids at room temperature and atmospheric pressure, and therefore do not have a boiling point.

Which of the Following Substances Would You Expect to Have