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Organic chemistry studies carbon-based molecular structures and their transformations, with emphasis on connectivity, functional groups, and stereochemistry. Carbon's ability to form chains, rings, and multiple bonds supports a very large range of molecular architectures.
A reaction can change one functional group while preserving the rest of a framework, or form a new carbon-carbon bond that enlarges it. Following electron movement and testing competing mechanisms makes these transformations predictable rather than a catalogue of isolated recipes.
This is a section about Organic chemistry!
For example, this sentence. And then another one.