Organic Chemistry Main Menu Lecture 1: Introduction to Molecular Orbitals Lecture 10: Intermolecular Forces and Intro to Reactivity Lecture 11: Alkenes as Nucleophiles I Lectures 12 and 13: Alkenes II & III Lecture 14: Benzenes as Nucleophiles I Lecture 15 objectives and skills Lecture 3: Molecular Orbitals and Resonance Lecture 4: Molecular Orbitals and Aromaticity Lecture 5: Nomenclature and IR Spectroscopy Lecture 6: Stereochemistry I Lecture 7: Stereochemistry II Lecture 8: Newman and Fisher Projections Lecture 9: Conformations and Cyclohexane Rings

Lecture 2: Molecular Orbitals in Organic Structures

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Objectives and Skills

KEY INFORMATION SUMMARY



PROBLEMS

Problem 2.1: Lewis Structures
  1. Draw the Lewis Structures of CH3CH2CO2Li and (CH3)3CCl.
  2. Identify each bond as covalent or ionic.
  3. Assign any non-zero formal charges.
Problem 2.2: Bond-line drawings
  1. Draw in all the missing hydrogens on each of the structures below.
  2. Determine the molecular formula.

Problem 2.3: Hybridization
  1. Draw the Lewis Structures 
  2. Draw the Lewis Structures and bond-line drawings of CH3C≡CH, CH3BH2, and CH3NCO.
  3. Determine the geometry and hybridization at each non-hydrogen atom.
Problem 2.4: Molecular Orbital (MO) Theory
  1. Draw the Lewis Structures and bond-line drawings of CH3CH2CH2-, CH2=C=CH2, and HCN.
  2. Determine the hybridization at each non-hydrogen atom.
  3. Identify the AOs used to make each bond.
  4. Predict the total number of MOs, include the total number of p MOs (if appropriate).
  5. Sketch the MO diagram for each type of bond.