Ch # 9 Aromatic Hydrocarbons Short Question
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……….
- Preparation of Benzene.
- Reactions of Benzene.
- Comparison of Reactivities of Alkanes, Alkenes and Benzene.
In this chapter you will learn:
- To name simple aromatic hydrocarbons, and their derivatives.
- The Kekule and resonance approaches to explain the structure and stability of benzene.
- About the preparation of benzene.
- About the electrophilic substitution, oxidation and addition reactions of benzene.
- About the isomerism which arises when a second substituent enters the ring.
- How does the presence of a group alters the reactivity of benzene ring towards electrophilic substitution reactions.
- The comparison of reactivities of alkanes, alkenes and benzene.
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