Organic Chemistry I

Course Content from McGraw-Hill
Course Number: CHEM250 Download Course Syllabus

Gain a comprehensive understanding of the basic principles of organic chemistry. Organic Chemistry I covers topics like structure and bonding, introduction to organic molecules and functional groups, stereochemistry, understanding organic reactions, and organic molecules.

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Online Course
Organic Chemistry I   +$79.00
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CHEM250 & CHEM251 eTextbook (an $94 value)   +$0.00
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Credits 3

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Course Objectives
  • Predict geometry from a valid Lewis structure.
  • Correlate curved arrows to show the reaction between a nucleophile and an electrophile.
  • Order the highest and lowest energy conformations using Newman projections.
  • Determine if two non identical compounds are constitutional isomers, enantiomers, or diastereomers.
  • Calculate ΔHo of a reaction.
  • Predict the appearance of the product(s) of an Sn1 or Sn2 reaction.
  • Predict the appearance of all products of an elimination reaction.
  • Calculate degrees of unsaturation.
  • Contrast reactions of acetylide anions.
  • Use spectroscopy to identify compounds.

Topics

Topic

Subtopics

Objectives

1

Structure and Bonding

  • The Periodic Table
  • Bonding
  • Lewis Structures
  • Isomers
  • Exceptions to the Octet Rule
  • Resonance
  • Determining Molecular Shape
  • Drawing Organic Structures
  • Hybridization
  • Ethane, Ethylene, and Acetylene
  • Bond Length and Bond Strength
  • Electronegativity and Bond Polarity
  • Polarity of Molecules
  • Oxybenzone–A Representative Organic Molecule
  • Drawing a valid Lewis structure; example: CH3CHO
  • Calculating formal charge
  • Predicting geometry from a valid Lewis structure
  • Identifying isomers and resonance structures 
  • Using curved arrows
  • Predicting hybridization from a valid Lewis structure
  • Determining if a molecule has a net dipole from a valid Lewis structure; example: CH3OH

2

Introduction to Organic Molecules and Functional Groups

  • Functional Groups
  • An Overview of Functional Groups
  • Intermolecular Forces
  • Physical Properties
  • Application: Vitamins
  • Application of Solubility: Soap
  • Application: The Cell Membrane
  • Functional Groups and Reactivity
  • Biomolecules
  • Predicting boiling points
  • Determining sites of hydrogen bonding between two identical molecules
  • Determining sites of hydrogen bonding between an organic molecule and H2O
  • Drawing curved arrows to show the reaction between a nucleophile and an electrophile

3

Alkanes

  • Alkanes—An Introduction
  • Cycloalkanes
  • An Introduction to Nomenclature
  • Naming Alkanes
  • Naming Cycloalkanes
  • Natural Occurrence of Alkanes
  • Properties of Alkanes
  • Conformations of Acyclic Alkanes—Ethane
  • Conformations of Butane
  • An Introduction to Cycloalkanes
  • Cyclohexane
  • Substituted Cycloalkanes
  • Oxidation of Alkanes
  • Lipids—Part 1
  • Naming an alkane using the IUPAC system
  • Naming a cycloalkane using the IUPAC system
  • Determining the highest and lowest energy conformations using Newman projections
  • Drawing two conformations for a disubstituted cyclohexane
  • Determining whether a compound is oxidized or reduced

4

Stereochemistry

  • Starch and Cellulose
  • The Two Major Classes of Isomers
  • Looking Glass Chemistry—Chiral and Achiral Molecules
  • Stereogenic Centers
  • Stereogenic Centers in Cyclic Compounds
  • Labeling Stereogenic Centers with R or S
  • Diastereomers
  • Meso Compounds
  • R and S Assignments in Compounds with Two or More Stereogenic Centers
  • Disubstituted Cycloalkanes
  • Isomers—A Summary
  • Physical Properties of Stereoisomers
  • Chemical Properties of Enantiomers
  • Locating stereogenic centers
  • Labeling stereogenic centers with R or S
  • Assigning R or S when the lowest-priority group is not oriented toward the back
  • Finding and drawing all stereoisomers for a compound with two stereogenic centers
  • Determining if two non identical compounds are constitutional isomers, enantiomers, or diastereomers
  • Calculations involving enantiomeric excess

5

Understanding Organic Reactions




  • Writing Equations for Organic Reactions
  • Kinds of Organic Reactions
  • Bond Breaking and Bond Making
  • Bond Dissociation Energy
  • Thermodynamics
  • Enthalpy and Entropy
  • Energy Diagrams
  • Energy Diagram for a Two-Step Reaction Mechanism
  • Kinetics
  • Catalysts
  • Enzymes
  • Using full-headed curved arrows to show the movement of electron pairs
  • Using half-headed curved arrows to show the movement of single electrons
  • Calculating ΔHo of a reaction

6

Alkyl Halides and Nucleophilic Substitution

  • Introduction to Alkyl Halides
  • Nomenclature
  • Properties of Alkyl Halides
  • Interesting Alkyl Halides
  • The Polar Carbon–Halogen Bond
  • General Features of Nucleophilic Substitution
  • The Leaving Group
  • The Nucleophile
  • The Mechanisms for Nucleophilic Substitution
  • The SN2 Mechanism
  • The SN1 Mechanism
  • Carbocation Stability
  • The Hammond Postulate
  • When Is the Mechanism SN1 or SN2?
  • Biological Nucleophilic Substitution
  • Vinyl Halides and Aryl Halides
  • Organic Synthesis
  • Comparing the nucleophile and leaving group to determine if products are favored
  • Drawing the product(s) of an Sn2 reaction
  • Drawing the product(s) of an Sn1 reaction
  • Deciding if a reaction proceeds by Sn1 or Sn2

7

Alkyl Halides and Elimination Reactions



  • Alkyl Halides and Elimination Reactions
  • General Features of Elimination
  • Alkenes—The Products of Elimination Reactions
  • The Mechanisms of Elimination
  • The E2 Mechanism
  • The Zaitsev Rule
  • Stereochemistry of the E2 Reaction
  • The E1 Mechanism
  • SN1 and E1 Reactions
  • When Is the Mechanism E1 or E2?
  • E2 Reactions and Alkyne Synthesis
  • When Is the Reaction SN1, SN2, E1, or E2?
  • Comparing the stability o f alkenes
  • Drawing all products and predicting the major product of an elimination reaction
  • Drawing the product of an E2 reaction of a halo-cyclohexane when loss of HX must be anti periplanar
  • Deciding if a β elimination reaction proceeds by an E1 or E2 mechanism
  • Deciding if a reaction proceeds by SN1, SN2, E1, or E2
  • Drawing the product(s) of a reaction with a 1° alkyl halide
  • Drawing the product(s) of a reaction with a 2° alkyl halide

8

Alkenes and Addition Reactions

  • Calculating Degrees of Unsaturation
  • Nomenclature
  • Properties of Alkenes
  • Interesting Alkenes
  • Lipids—Part 2
  • Preparation of Alkenes
  • Introduction to Addition Reactions
  • Hydrohalogenation—Electrophilic Addition of HX
  • Markovnikov’s Rule
  • Stereochemistry of Electrophilic Addition of HX
  • Hydration—Electrophilic Addition of Water
  • Halogenation—Addition of Halogen
  • Stereochemistry of Halogenation
  • Halohydrin Formation
  • Hydroboration–Oxidation
  • Keeping Track of Reactions
  • Alkenes in Organic Synthesis
  • Calculating degrees of unsaturation
  • Assigning E,Z in naming an alkene
  • Drawing the products of an addition reaction
  • Comparing the products of hydration of an alkene

9

Alkynes and Synthesis

  • Nomenclature
  • Properties of Alkynes
  • Interesting Alkynes
  • Preparation of Alkynes
  • Introduction to Alkyne Reactions
  • Addition of Hydrogen Halides
  • Addition of Halogen
  • Addition of Water
  • Hydroboration–Oxidation
  • Reaction of Acetylide Anions
  • Synthesis
  • Converting an alkene to an alkyne
  • Drawing the product of an addition reaction
  • Converting an enol to a keto tautomer in acid
  • Converting a keto tautomer to an enol in acid
  • Comparing the products of hydration of an alkyne
  • Comparing reactions of acetylide anions
  • Devising a synthesis

10

Spectroscopy

  • Mass Spectrometry and the Molecular Ion
  • Alkyl Halides and the M + 2 Peak
  • Fragmentation
  • Fragmentation Patterns of Some Common Functional Groups
  • Other Types of Mass Spectrometry
  • Electromagnetic Radiation
  • The General Features of Infrared Spectroscopy
  • IR Absorptions
  • Infrared Spectra of Common Functional Groups
  • IR and Structure Determination
  • An Introduction to NMR Spectroscopy
  • 1H NMR: Number of Signals
  • 1H NMR: Position of Signals
  • The Chemical Shifts of Protons on sp2 and sp Hybridized Carbons
  • 1H NMR: Intensity of Signals
  • 1H NMR: Spin–Spin Splitting
  • Spin–Spin Splitting in Alkenes
  • Using 1H NMR to Identify an Unknown
  • 13C NMR Spectroscopy
  • Magnetic Resonance Imaging (MRI)
  • Proposing possible molecular formulas for a compound that contains C, H, and perhaps O with a given molecular ion (A.1)
  • Determining the molecular ions for a compound with Cl or Br (A.2); example: bromocyclohexane (C6H11Br)
  • Proposing possible structures for fragmentation by α cleavage
  • Using the functional groups to distinguish two compounds by IR spectroscopy
  • Using IR absorptions to distinguish between two compounds
  • Using MS and IR to determine possible structures of a compound that contains C,H, and O
  • Calculating the chemical shift of an absorption that occurs at 1000 Hz downfield from TMS using a 400 MHz NMR spectrometer
  • Determining the different types of protons in a compound; example: 1,4-dichlorobutane
  • Determining equivalency in a cycloalkane
  • Determining which protons absorb further downfield; two factors
  • Determining the 1H NMR integration ratio for a compound
  • Determining the splitting pattern for a molecule using the n+1 rule
  • Determining the number of peaks present in the 1H NMR signal of an alkene using the (n+1)(m+1) rules
  • Determining splitting patterns when an absorbing proton has nonequivalent protons on two adjacent carbs
  • Using a molecular formula and 1H NMR data to determine a structure
  • Determining the different types of C atoms in a compound
  • Determining which C atom absorbs further downfield
  • Using a molecular formula, IR, 1H NMR, and 13C NMR for structure determination

11

Final Exam

Completion of General Chemistry or its equivalent is strongly encouraged, though not required.

The required eTextbook for this course is included with your course purchase at no additional cost. More information on StraighterLine eTextbooks

Prefer the hard copy? Simply purchase from your favorite textbook retailer; you will still get the eTextbook for free.

This course does not require a text.

Your score provides a percentage score and letter grade for each course. A passing percentage is 70% or higher.

There are a total of 1000 points in the course:

3

Graded Exam 1

125

1, 2, 3

5

Graded Exam 2

125

4, 5

5

Midterm Exam

200

1-5

8

Graded Exam 3

125

6-8

10

Graded Exam 4

125

9, 10

11

Final Exam

300

1-10

Topic

Assessment

Points

LOs

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