Summary Intramolecular and Intermolecular forces in Organic Chemistry>>Detailed Notes
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Course
Chemistry
Institution
Chemistry
INTRAMOLECULAR FORCES IN ORGANIC MOLECULES
Intermolecular Forces
Background
• The nature of the forces that operate in compounds depend heavily on the nature of the bond (ionic or covalent) and electronegativity.
• Whereas the forces in bonds of ionic compounds (eg NaCl) are ...
These are forces that operate in atoms and bonds of a
molecule. Looking at the bonds in a molecule can guide
identify the nature of the intramolecular forces in a
molecule.
, Intermolecular Forces
Background
• The nature of the forces that operate in compounds
depend heavily on the nature of the bond (ionic or
covalent) and electronegativity.
• Whereas the forces in bonds of ionic
compounds (eg NaCl) are purely
electrostatic, those in covalent
compounds vary depending on the
degree of sharing of the electrons
between the bonded atoms.
• We will look at these different variations to appreciate
their influence on the properties of covalent molecules.
, Polarity of Bonds
The Role of Electronegativity
• The types of bonds between atoms have an important
effect on the polarity within these molecules and how
these compounds interact with other systems (biological
systems).
• For a covalent bond arising from sharing of electrons, the
polarity of the bond will depend on the electronegativity
of the bonded atoms.
• Electronegativity is a measure of the tendency of an
atom to attract a pair of bonding electrons.
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