Aromatic Compounds Quiz

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Questions and Answers

What is the defining characteristic of aromatic compounds?

  • They consist of eight carbon compounds
  • They contain only single carbon-carbon bonds
  • They are always characterized by pleasant aromas
  • They have a stable cyclic structure and a conjugated pi-system (correct)

Who proposed the term 'Aromatic' in 1855?

  • August Wilhelm Hofmann (correct)
  • Friedrich August Kekulé
  • Robert H. Grubbs
  • Linus Pauling

How is benzene commonly represented?

  • As a heptagon with alternating double and single bonds
  • As a pentagon with only single bonds
  • As a combination of a triangle and a square
  • As a hexagon with alternating double and single bonds, or with a circle drawn in the center of a hexagon (correct)

What type of hydrocarbons are aromatic compounds?

<p>Unsaturated organic compounds (A)</p> Signup and view all the answers

What is the defining feature of the functional groups in aromatic compounds?

<p>They are characterized by a stable cyclic (aromatic ring) structure (B)</p> Signup and view all the answers

What is the defining characteristic of aromatic compounds?

<p>They are planar ring compounds with a conjugated pi-system (B)</p> Signup and view all the answers

What is the common representation of benzene?

<p>A hexagon with alternating double and single bonds, or with a circle drawn in the center of a hexagon (D)</p> Signup and view all the answers

Who proposed the term 'Aromatic' in 1855?

<p>August Wilhelm Hofmann (C)</p> Signup and view all the answers

What are the functional groups characterized by in aromatic compounds?

<p>A stable cyclic (aromatic ring) with six carbon compounds (D)</p> Signup and view all the answers

Why were aromatic compounds originally named 'aromatic'?

<p>For their pleasant aromas (D)</p> Signup and view all the answers

Flashcards

Aromatic compound defining trait?

Aromatic compounds possess a stable cyclic structure featuring a conjugated pi-system.

Who coined 'Aromatic'?

August Wilhelm Hofmann proposed the term 'Aromatic' in the year 1855.

Benzene's common depiction?

It is represented as a hexagon with alternating double and single bonds, or a hexagon with a circle inside.

Aromatic compounds are...?

Aromatic compounds are unsaturated organic compounds.

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Aromatic group feature?

Aromatic compounds are characterized by a stable cyclic (aromatic ring) structure.

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Aromatic compounds defined?

Aromatic compounds are planar ring compounds with a conjugated pi-system.

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Original 'aromatic' reason?

Aromatic compounds were originally named for their pleasant aromas.

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Study Notes

Aromatic Compounds

  • The defining characteristic of aromatic compounds is the presence of a planar, ring-shaped structure with delocalized electrons.
  • The term 'Aromatic' was proposed by August Wilhelm von Hofmann in 1855.

Representation of Benzene

  • Benzene is commonly represented by a hexagonal ring structure with a circle in the center, indicating the delocalized electrons.

Classification of Aromatic Compounds

  • Aromatic compounds are a type of hydrocarbons.

Functional Groups in Aromatic Compounds

  • The defining feature of the functional groups in aromatic compounds is the presence of delocalized electrons, which leads to increased stability and unique properties.

Origin of the Term 'Aromatic'

  • Aromatic compounds were originally named 'aromatic' due to their pleasant, sweet odors.

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