Which of the hydrocarbon undergo substitution reaction and why
Chemistry
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Alkanes and aromatic hydrocarbons undergo substitution reactions.
- Alkanes: They are saturated hydrocarbons, meaning they contain only single C-C and C-H bonds. These bonds are strong and non-polar, making alkanes relatively unreactive. They do not have bonds for addition reactions. Therefore, their characteristic reaction is free radical substitution, where a hydrogen atom is replaced by another atom (e.g., a halogen) under specific conditions like ultraviolet light or high temperatures.
- Aromatic Hydrocarbons: Compounds like benzene undergo electrophilic substitution reactions. They have a stable delocalized electron system (aromaticity). Addition reactions would destroy this stability. Substitution allows them to react while preserving their aromatic character.
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