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Organic Chemistry 221G: Structure, Dynamics, and Course Overview

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What is Organic Chemistry?

  • Organic molecules in your everyday life.
    02:08
  • Identifying organic molecules
    02:17

Overview of Chemical Reactions

  • Recognizing Substitution Reactions.
    01:34
  • Recognizing Acid-Base Reactions.
    02:43
  • Recognizing Elimination Reactions.
    00:40

Reaction Mechanism

  • How to tell if charged molecules will react as nucleophiles or electrophiles.
    02:39
  • Nucleophile or Electrophile
    01:49
  • How to tell if uncharged molecules will react as nucleophiles or electrophiles.
    02:48

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

Functional Groups

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

Acid and Base Definitions

  • Lewis vs. Bronsted-Lowry Definition
    07:46
  • The Bronsted-Lowry definition of acids and bases.
    00:54
  • Equilibrium constant and conjugates.
    02:11

Equilibrium Constant and pKa

  • The pH scale vs. the pKa scale.
    02:15
  • The relationship between equilibrium constant and pKa.
    02:19
  • Why we use pKa instead of pH.
    01:46

pKa Values

  • Identifying pKa values
    07:45
  • The 12 pKa values you want to memorize (because they are important!).
    09:36

Acid Base Equilibrium

  • The 3 steps for determining the direction of acid and base equilibrium.
    05:11
  • Determining Acid/Base Equilibrium
    04:00
  • Determining Acid/Base Equilibrium
    02:34

Factors Affecting Acidity

  • Which of the oxides is the most basic?
    00:30
  • The 3 factors that determine the strength of inductive effects.
    03:09
  • Using Inductive Effect to determine acidity
    01:54

Alkane Nomenclature

  • Naming the root chain
    01:02
  • Provide the IUPAC name for the following alkane
    07:08
  • The different parts of an IUPAC name
    03:43

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

Resonance Structures

  • How to draw a resonance hybrid.
    03:24
  • The rules you need for resonance:
    03:34
  • How to determine which structure is most stable.
    01:32

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

Molecular Geometry

  • Predict the hybridization and molecular geometry
    01:54
  • Molecular Geometry Explained.
    07:44

Electronegativity

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