Concept explainers
Interpretation:
The boiling point of organic compounds having same molar masses but different
Concept introduction:
The polarity of a molecule determines the forces of attraction between the molecules in the liquid state. The greater the forces of attraction in between the molecules of a compound or greater the polarity, higher the boiling point of that compound.
a. The relative strength of intermolecular forces is:
Ionic > Hydrogen bonding > dipole-dipole > Vander Waals dispersion forces.
b. Molecules have different degrees of polarity as determined by the functional group present. Amide > Acid > Alcohol >
c. Boiling points increase as the number of carbons is increased because the boiling point is directly proportional to the molar mass of the compound.
d. Branching decreases boiling point
To determine: The boiling points of the corresponding organic compounds.
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