Definitions Chapter 9: Benzene and Its Derivatives

Definitions
Chapter 9:  Benzene and Its Derivatives
Introduction to Organic Chemistry
William Brown and Thomas Poon

28 cards   |   Total Attempts: 188
  

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Aromatic Hydrocarbons
Those which contain one or more benzene rings. The name of the class come from the fact that many of them have strong, pungent aromas
Arenes
A compound containing one or more benzene rings.
Hybridization of Atomic Orbitals
Combination of one atomic orbital with another atomic orbital.
Theory of Resonance
Look at notes and books.
Resonance Energy
The difference in energy between a resonance hybrid and the most stable of its hypothetical contributing structures.
Heterocyclic Aromatic Compound
An organic compound that contains one or more atoms other than carbon in its ring.
Phenyl
Answer 7
The C6H5-group
Benzyl
The C6H5CH2-group
Ortho (o)
Refers to groups occupying positions 1 and 2 on a benzene ring.
Meta (m)
Refers to groups occupying positions 1 and 3 on a benzene ring.
Para (p)
Refers to groups occupying positions 1 and 4 on a benzene ring.
Polynuclear Aromatic Hydrocarbons
A hydrocarbon containing two or more fused aromatic rings.
Electrophilic Aromatic Substitution
A reaction in which an electrophile E+ substitutes for a hydrogen on an aromatic ring.
Ortho-para Directors
Any substituent on a benzene rign that directs electrophilic aromatic substitution preferentially to ortho and para positions.
Meta Directors
Any substituent on a benzene ring that directs electrophilic aromatic substitution preferentially to a meta position.