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Aliphatic compounds could be straight chain structures [Acyclic] like alkanes or cyclic structures, like cycloalkanes.

Aliphatic compounds are hydrocarbon chains - strings of carbon atoms connected to each other with hydrogen atoms hanging off the sides of the chain.

one exception for the definition of aliphatic side chain is Proline which also has aliphatic side chain but the its side chain is bonded to both carbon and nitrogen.

Aromatic compounds have benzene ring (older notion). Aromatic compounds are those which follow Huckel's rule. (4n + 2pi) rule. They have the general formula: CnH2n-6 [where n is equal to or greater than 6]

Aromatic compounds are rings - so take the chain and connect the two ends together to form a continuous loop.

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13y ago
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12y ago

1. Aliphatic Hydrocarbons are hydrocarbons which do not contain a benzene ring.

Examples - Alkanes, Alkenes, Alkynes

2. Aromatic hydrocarbons are hydrocarbons which contain one or more benzene rings. The name of the class comes from the fact that many of them have strong, pungent aromas.

Examples - Benzene, Benzoic acid, Phenol

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12y ago

aliphatic compounds are hydrocarbon chains - strings of carbon atoms connected to each other with hydrogen atoms hanging off the sides of the chain. aromatic compounds are rings - so take the chain and connect the two ends together to form a continuous loop. one exception for the definition of aliphatic side chain is Proline which also has aliphatic side chain but the its side chain is bonded to both carbon and nitrogen.

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14y ago

All aromatic compounds are planar, while non-aromatic cyclized hydrocarbon structures generally are not (some of them are referred to as "puckered"). Aromatic compounds are also significantly more stable than its non-aromatic counterparts.

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15y ago

Hydrocarbons Aliphatic Aromatic alkanes alkenes alkynes cyclic aliphatic questions: 1-open chaine 2-nomenclature 3-preparation 4-reaction

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13y ago

aromatic because of the presence of the benzene ring

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9y ago

Aliphatic, whose carbon atoms are joined together in straight or branched open chains rather than in rings while aromatic has rings in the structure.

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Q: What is the difference between aromatic and aliphatic compounds?
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