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PYQs and expected JAM MCQs of Aromaticity Video Lecture | Organic Chemistry

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FAQs on PYQs and expected JAM MCQs of Aromaticity Video Lecture - Organic Chemistry

1. What is aromaticity in organic chemistry?
Ans. Aromaticity is a property of certain organic compounds that have a particular stability due to the presence of a continuous ring of alternating double bonds, known as an aromatic ring. Aromatic compounds exhibit unique chemical behavior and are often more stable than non-aromatic compounds.
2. How can we determine if a compound is aromatic?
Ans. There are several criteria to determine if a compound is aromatic. One of the most commonly used criteria is known as Huckel's rule, which states that for a compound to be aromatic, it must have a planar, cyclic structure with a continuous ring of π (pi) electrons and obey the 4n + 2 rule, where "n" is an integer. If the compound satisfies these conditions, it is considered aromatic.
3. What are antiaromatic compounds?
Ans. Antiaromatic compounds are organic compounds that possess a planar, cyclic structure with a continuous ring of π (pi) electrons but do not follow the 4n + 2 rule. Unlike aromatic compounds, antiaromatic compounds are often highly reactive and less stable. They tend to undergo reactions to eliminate their antiaromaticity and become more stable.
4. How does aromaticity affect the reactivity of compounds?
Ans. Aromatic compounds are generally less reactive than non-aromatic compounds due to their high stability. The delocalization of π (pi) electrons in aromatic compounds makes it difficult for them to undergo addition reactions. However, aromatic compounds can still undergo substitution reactions, where a functional group is replaced by another group. This reactivity pattern is often observed in aromatic compounds.
5. Can a compound be partially aromatic?
Ans. Yes, it is possible for a compound to exhibit partial aromaticity. This occurs when a molecule possesses a conjugated system but does not fully satisfy the criteria for aromaticity. These compounds are known as non-aromatic or partially aromatic compounds. While they may possess some degree of stability, they are generally less stable than fully aromatic compounds.
33 videos|92 docs|46 tests
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