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Lecture 3 - Properties of Organic Molecules: Representation, Structure, and Functional Groups

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Molecular Orbital Theory

  • Sigma bond vs. pi bond, which is stronger?
    03:25
  • What’s the difference between sigma and pi bonds?
    02:19
  • What’s the difference between atomic and molecular orbitals?
    11:25

Hybridization

  • How carbon creates 4 partially-filled orbitals.
    02:53
  • Bond sites, hybridization, and intermediate orbitals
    04:58
  • Introduction to the reactive intermediates.
    02:47

Skeletal Structure

  • How bondline is different from Lewis Structures.
    04:03
  • Conversion of ethanol from electron dot to bondline
    01:50

Lewis Structure

  • Drawing the Lewis Structure for N2H4.
    04:12
  • How to use Organic Chemistry to make Lewis Structures easier.
    03:49

Condensed Structural Formula

  • How to draw condensed mixed structures.
    05:21
  • How to interpret condensed structures.
    06:06

Constitutional Isomers

  • Isomeric Relationships
    03:28
  • Using the flowchart to determine isometric relationships.
    05:02
  • Isomeric Relationships
    02:56

Functional Groups

  • Assigning Degrees to Alkyl Halides
    01:30
  • Why we need functional groups.
    01:49
  • The difference between aldehydes and ketones.
    03:08

Electronegativity

  • Differences between ionic, polar and covalent bonds
    11:33

Intermolecular Forces

  • How dipole-dipole forces work.
    01:46
  • How IMFs are related to melting and boiling points.
    03:08
  • How Van der Waals forces work.
    03:01