CHEM 212

McGill

Course Overview

Grade Boosters

Lessons & Practice

I. Welcome

2 min

1. The Basics (Lewis Structures, Bonding, VSEPR)

1.Q. Checkpoint Quiz9 Qns

2. Core Topic 1: Polar Structures

4hr

2.1.1. Lewis Structures and Formal Charges9 min

2.1.2. How to Draw Lewis Structures5 min

2.1.3. Example: Lewis Structures5 min

2.1.4. Example: Lewis Structures5 min

2.1.5. Practice: Lewis Structures2 min

2.1.6. Practice: Lewis Structures5 min

2.2.1. Bonding Models

2.2.2. Practice: Valence Bond Theory/Hybridization3 min

2.3.1. Valence Bond Theory and Hybridization7 min

2.3.2. Example: Valence Bond Theory/Hybridization5 min

2.4.1. VSEPR Theory5 min

2.4.2. Example: VSEPR2 min

2.4.3. Example: VSEPR3 min

2.4.4. Practice: VSEPR4 min

2.5.1. Polar Bonds6 min

2.5.2. Example: Polar Bonds3 min

2.5.3. Example: Polar Bonds 2 min

2.5.4. Practice: Polar Bonds 50 sec

2.6.1. Intermolecular Forces4 min

2.6.2. Melting and Boiling Point Comparison4 min

2.6.3. Example: Intermolecular Forces3 min

2.6.4. Example: Intermolecular Forces2 min

2.6.5. Practice: Intermolecular Forces1 min

2.7.1. Bonding in Delocalized Systems3 min

2.7.2. Example: Resonance Structures6 min

2.8.1. Summary Sheet: The Basics

2.9.1. Acid/Base Equilibrium Fundamentals - Use of Acids and Bases in Organic Chemistry4 min

2.9.2. Key Definitions in Acids/Bases5 min

2.9.3. Acid/Base Equilibrium Constants2 min

2.9.4. Example: Acid/Base Arrows 3 min

2.10.1. Factors Influencing Acid/Base Strength2 min

2.10.2. Electronegativity1 min

2.10.3. Atom Size2 min

2.10.4. Resonance3 min

2.10.5. Hybridization3 min

2.10.6. Induction3 min

2.10.7. Aromaticity3 min

2.10.8. Example: Acid/Base Strength 3 min

2.10.9. Example: Acid/Base Strength 3 min

2.10.10. Practice: Acid/Base Equilibria 2 min

2.10.11. Practice: Acid/Base Equilibria 2 min

2.11.1. Important pKas You Should Know4 min

2.11.2. Relationship Between pH and pKa2 min

2.11.3. Amino Acids at Different pHs3 min

2.11.4. Practice: Amino Acids in Solution3 min

2.11.5. Practice: Amino Acids in Solution3 min

2.11.6. Summary Sheet: Amino Acids in Solution of Various pH

2.11.7. Summary Sheet: pKa's of Common Molecules

2.12.1. Summary Sheet: Chemical Equilibria and Acid/Base Chemistry

2.13.1. Intramolecular vs Intermolecular Forces5 min

2.13.2. Intermolecular Forces Theory15 min

2.13.3. Example

2.13.4. Example

2.13.5. Practice9 min

2.14.1. Types of Intermolecular Forces (more detailed version)9 min

2.14.2. Strength of Intermolecular Forces Cheatsheet

2.15.1. Phases of Matter3 min

2.15.2. Intermolecular Forces and Boiling Point11 min

2.15.3. Other Physical Properties and Intermolecular Forces6 min

2.Q. Checkpoint Quiz15 Qns

3. Core Topic 2: Intro to Characterization

40min

3.1.1. Hydrogen Deficiency Index4 min

3.2.1. Infrared Spectroscopy12 min

3.2.2. Example: IR Spectroscopy2 min

3.2.3. Example: IR Spectroscopy52 sec

3.2.4. Practice Question: IR Spectroscopy1 min

3.2.5. Practice Question: IR Spectroscopy 21 min

3.3.1. Mass Spectrometry9 min

3.3.2. Example: Mass Spectrometry4 min

3.3.3. Example: Mass Spectrometry2 min

3.3.4. Example: Mass Spectrometry2 min

3.Q. Checkpoint Quiz3 Qns

3.P.1. Practice: Structure Elucidation 1

4. Core Topic 3: Stereochemistry

1.5hr

4.1.1. Summary Sheet: Isomers Flowchart

4.2.1. Constitutional Isomers5 min

4.2.2. Example: Constitutional Isomers4 min

4.2.3. Example: Constitutional Isomers3 min

4.3.1. Conformational Isomers6 min

4.3.2. Example: Conformational Isomers3 min

4.4.1. Geometric or Cis/Trans Isomers6 min

4.4.2. Example: Geometric Isomers4 min

4.4.3. Practice: Geometric Isomers 2 min

4.5.1. Chiral Molecules5 min

4.5.2. Cahn-Ingold-Prelog Rules4 min

4.5.3. Assigning R and S Nomenclature4 min

4.5.4. Example: Stereochemistry7 min

4.5.5. Example: Stereochemistry 24 min

4.5.6. Practice: Stereochemistry 2 min

4.5.7. Practice: Stereochemistry1 min

4.6.1. Optical Isomers13 min

4.6.2. Example: Optical Isomers3 min

4.6.3. Example: Optical Isomers 23 min

4.6.4. Practice: Optical Isomers 1 min

4.7.1. Summary Sheet: IUPAC Naming

4.7.2. Summary Sheet: Naming Molecules with Stereochemistry

4.7.3. Example: Naming Molecules with Stereochemistry4 min

4.7.4. Example: Naming Molecules with Stereochemistry2 min

4.7.5. Practice: Naming Molecules with Stereochemistry2 min

4.8.1. Summary Sheet: Stereochemistry

4.8.2. Summary Sheet: Determining Maximum Number of Stereoisomers

4.8.3. Summary Sheet: Nomenclature and Conformations of Alkanes and Cycloalkanes

4.Q. Checkpoint Quiz10 Qns

5. Core Topic 4: Conformations

50min

5.1.1. Summary Sheet: Common Organic Functional Groups

5.1.2. Example: Functional Groups 2 min

5.2.1. Drawing Organic Compouds in 2D2 min

5.2.2. Example: 2-D Notation2 min

5.2.3. Example: 2-D Notation1 min

5.2.4. Summary Sheet: Representing Molecules in Different 2D Notation

5.2.5. Summary Sheet: Condensed Formula

5.3.1. Drawing Organic Compounds in 3D5 min

5.3.2. Example: 3-D Notation2 min

5.3.3. Example: 3-D Notation2 min

5.3.4. Summary Sheet: Drawing in 3-Dimensions

5.4.1. Chair Conformations4 min

5.4.2. Example: Chair Conformations60 sec

5.4.3. Example: Chair Conformations1 min

5.4.4. Practice: Chair Conformations2 min

5.5.1. IUPAC Systematic Naming Theory15 min

5.5.2. Example: Converting Names to Structures2 min

5.5.3. Example: IUPAC Systematic Naming2 min

5.5.4. Example: IUPAC Systematic Naming2 min

5.5.5. Practice: IUPAC Systematic Naming2 min

5.5.6. Practice: IUPAC Systematic Naming2 min

5.5.7. Summary Sheet: IUPAC Naming

5.Q. Checkpoint Quiz15 Qns

6. Core Topic 5 & 6: Intro to Reactions, Additions to Alkenes and Alkynes

2.3hr

6.1.1. Hydrohalogenation9 min

6.1.2. Example: Hydrohalogenation4 min

6.1.3. Example: Hydrohalogenation4 min

6.2.1. Acid-catalyzed Hydration9 min

6.2.2. Example: Acid-catalyzed Hydration4 min

6.2.3. Example: Acid-catalyzed Hydration 23 min

6.3.1. Hydroboration/Oxidation8 min

6.3.2. Example: Hydroboration 13 min

6.3.3. Example: Hydroboration 22 min

6.4.1. Halogenation13 min

6.4.2. Example: Halogenation 13 min

6.4.3. Example: Halogenation 22 min

6.4.4. Example: Halogenation3 min

6.5.1. Ozonolysis9 min

6.5.2. Example: Ozonolysis 12 min

6.5.3. Example: Ozonolysis4 min

6.6.1. Dihydroxylation5 min

6.6.2. Example: Dihydroxylation3 min

6.7.1. Epoxidation8 min

6.7.2. Example: Epoxidation3 min

6.7.3. Example: Epoxides as Electrophiles8 min

6.8.1. Hydrogenation6 min

6.8.2. Example: Hydrogenation 13 min

6.8.3. Example: Hydrogenation 22 min

6.8.4. Example: Hydrogenation 31 min

6.8.5. Example: Hydrogenation with Isotopes of Hydrogen2 min

6.9.1. Carbocation Rearrangements6 min

6.9.2. Example: Carbocation Rearrangements3 min

6.9.3. Example: Carbocation Rearrangements3 min

6.10.1. Terpene Biosynthesis2 min

6.10.2. Example: Terpene Biosynthesis 12 min

6.10.3. Example: Terpene Biosynthesis4 min

6.11.1. Summary Sheet: Electrophilic Addition to Alkenes/Alkynes

6.Q. Checkpoint Quiz9 Qns

6.P.1. Practice: Reaction Energy Diagrams

7. Core Topic 7: Radical Reactions

30min

7.1.1. Radical Stability4 min

7.1.2. Example: Radical Stability3 min

7.1.3. Example: Radical Stability1 min

7.1.4. Practice: Radical Stability1 min

7.2.1. Radical Reactions: Radical Halogenation7 min

7.2.2. Radical Reactions: Hydrohalogenation with a Peroxide7 min

7.2.3. Practice: Radical Reactions2 min

7.2.4. Practice: Radical Reactions2 min

7.2.5. Practice: Radical Reactions3 min

7.3.1. Summary Sheet: Radical Reactions

7.Q. Checkpoint Quiz7 Qns

8. Core Topic 8 & 9: Sn1/E1 & Sn2/E2

1.4hr

8.1.1. General Terminology4 min

8.1.2. Nucleophiles4 min

8.1.3. Electrophiles2 min

8.1.4. Leaving Groups4 min

8.1.5. Substitution vs. Elimination2 min

8.1.6. Example: Substitution vs. Elimination3 min

8.2.1. Molecularity and Rate57 sec

8.2.2. Structural Requirements1 min

8.2.3. SN1 Mechanism4 min

8.2.4. Practice: Sn1 Reaction1 min

8.3.1. Molecularity and Rate1 min

8.3.2. Structural Requirements2 min

8.3.3. SN2 Mechanism4 min

8.3.4. Practice: Sn2 Reaction1 min

8.4.1. Stereochemistry in Substitution Reactions2 min

8.5.1. Leaving Group Ability4 min

8.5.2. Example: Alcohol as a Leaving Group2 min

8.6.1. Solvent Effects in Substitution Reactions6 min

8.7.1. The Williamson Ether Synthesis (*coming soon)

8.7.2. Reactions of Ethers with Strong Acids (*coming soon)

8.8.1. Molecularity and Rate43 sec

8.8.2. Structural Requirements52 sec

8.8.3. E1 Mechanism3 min

8.9.1. Molecularity and Rate45 sec

8.9.2. Structural Requirements2 min

8.9.3. Synthesis of Alkynes1 min

8.9.4. E2 Mechanism3 min

8.10.1. Selectivity in Elimination Reactions - E2 Reactions8 min

8.10.2. Selectivity in Elimination Reactions - E1 Reactions4 min

8.10.3. Example: Selectivity in Elimination Reactions6 min

8.11.1. Favouring Elimination over Subsitution5 min

8.12.1. Summary Sheet: Substitution Reactions

8.12.2. Summary Sheet: Elimination Reactions

8.Q. Checkpoint Quiz13 Qns

8.P.1. Practice: Substitution Question 1

8.P.2. Practice: Substitution Question 2

8.P.3. Practice: Elimination Question 1

8.P.4. Practice: Elimination Question 2

8.P.5. Practice: Elimination Question 3

Mock Exams

ME.1. Midterm - Mock Assessment36 Qns

ME.2. Final Exam - Mock Assessment38 Qns

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Unanswered

Scarlet K

Are there any tips for identifying equivalent hydrogens in a H NMR?

Answered

Anonymous

is there anything on skeletal structures

Rex H

Instructor

Great question! 

There is a bunch of content on skeletal answers, check our our gradebooster reviews as well as our subscription content for more info! 

Hope this helps! 

Answered

David K

how many hours must one devote/wk,? assigned homework? random quizes/mini-tests?

Emma D

Instructor

Hi David - this is a good question.  I have some general advice here.  First, save yourself time in the long run and invest 10 minutes after each class to make flashcards on things like functional groups, reagents, reactions, pKas, etc.  Second, you should plan to do 2 hours of practice for each 1 hour of class (so if you have three 1 hour classes a week, that would mean that you do 6 hours of homework a week).  Finally, as test time comes closer, you want to increase this and add an additional 10 or so hours for midterm preparation and 25 hours for final exam preparation.

Be careful for organic chemistry -- it's a course you cannot cram for.  If you invest short periods of time frequently over the semester you will get more from class and studying and thus save yourself time in the long run.  Topics build on themselves so try and stay on top of things and you will be successful!

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CHEM 212

Course Overview

Grade Boosters

1. The Basics (Lewis Structures, Bonding, VSEPR)

2. Core Topic 1: Polar Structures

3. Core Topic 2: Intro to Characterization

4. Core Topic 3: Stereochemistry

5. Core Topic 4: Conformations

6. Core Topic 5 & 6: Intro to Reactions, Additions to Alkenes and Alkynes

7. Core Topic 7: Radical Reactions

8. Core Topic 8 & 9: Sn1/E1 & Sn2/E2

Mock Exams

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Scarlet K

Anonymous

Rex H

David K

Emma D

Welcome to Organic Chemistry!