Ch # 9 Aromatic Hydrocarbons Short Question

Introduction:

The term aromatic was derived from the Greek word ‘aroma’ meaning ‘fragrant’ and was used in Organic Chemistry for a special class of compounds. These compounds have a low hydrogen to carbon ratio in their molecular formula and have a Characteristic odour. However it was soon realized that many aromatic compounds are odourless whereas many other are fragrant……….

Contents:

  1. Introduction.
  2. Nomenclature.
  3. Benzene.
  4. Preparation of Benzene.
  5. Reactions of Benzene.
  6. Comparison of Reactivities of Alkanes, Alkenes and Benzene.

In this chapter you will learn:

  1. To name simple aromatic hydrocarbons, and their derivatives.
  2. The Kekule and resonance approaches to explain the structure and stability of benzene.
  3. About the preparation of benzene.
  4. About the electrophilic substitution, oxidation and addition reactions of benzene.
  5. About the isomerism which arises when a second substituent enters the ring.
  6. How does the presence of a group alters the reactivity of benzene ring towards electrophilic substitution reactions.
  7. The comparison of reactivities of alkanes, alkenes and benzene.

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