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Definition of C5H5: C5H5, also known as Cyclopentadienyl, is a molecule consisting of 5 carbon atoms and 5 hydrogen atoms, forming a pentagonal ring. Its molecular weight is 65.09 g/mol. In the C5H5 molecule, each carbon atom is bonded with 1 hydrogen atom and 2 other carbon atoms, creating a pentagonal ring structure. When ionized, C5H5 can become either the cation C5H5+ or the anion C5H5-.
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Properties of C5H5: The state of C5H5 is gaseous at room temperature, colorless and has a distinctive smell. The chemical properties of C5H5 include the ability to form complexes with transition metals such as Fe, Co, Ni…
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Common chemical reactions of C5H5:
- Reaction with metals: C5H5 can react with metals to form complexes, such as Fe(C5H5)2, Co(C5H5)2, Ni(C5H5)2…
- Reaction with acid: C5H5 can react with acids to form derivatives, such as C5H5COOH, C5H5OH…
- Reaction with non-metals: C5H5 can react with non-metals such as O2 to form more complex organic molecules.
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Preparation of C5H5: In the laboratory, C5H5 can be prepared from cyclopentane through an incomplete combustion process. Industrially, C5H5 is usually produced from the pyrolysis process of crude oil.