Provide explanations for the following:
a. Methanol, CH3OH, has a much higher boiling point than methyl mercaptan, CH3SH.
b. Carbon monoxide has slightly higher melting and boiling points than N2 .
c. The ortho isomer of hydroxybenzoic acid [C6H4(OH)(CO2H)] has a much lower melting point than the meta and para isomers.
d. The boiling points of the noble gases increase with atomic number.
e. Acetic acid in the gas phase has a significantly lower pressure (approaching a limit of one half) than predicted by the ideal gas law.
f. Mixtures of acetone and chloroform exhibit significant negative deviations from Raoult’s law, which states that the vapor pressure of a volatile liquid is proportional to its mole fraction. For example, an equimolar mixture of acetone and chloroform has a lower vapor pressure than either of the pure liquids.
g. Carbon monoxide has a greater bond-dissociation energy (1072 kJ/mol) than molecular nitrogen (945 kJ/mol).
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