Nomenclature Formula: Nomenclature is a fundamental aspect of organic chemistry that serves as the systematic language for naming chemical compounds. Its significance lies in providing a standardized method to communicate complex molecular structures.
In the context of the NEET 2025 syllabus , mastering the nomenclature formula becomes important as it forms the basis for understanding the nomenclature of alkanes, functional groups, amines, aldehydes and ketones, esters, and various other organic compounds.Alkanes Nomenclature | ||||
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Number of Carbon Atoms | Word Root | IUPAC Name | Structure | Molecular Formula |
1 | Meth- | Methane | CH₄ | CH₄ |
2 | Eth- | Ethane | CH₃CH₃ | C₂H₆ |
3 | Prop- | Propane | CH₃CH₂CH₃ | C₃H₈ |
4 | But- | Butane | CH₃(CH₂)₂CH₃ | C₄H₁₀ |
5 | Pent- | Pentane | CH₃(CH₂)₃CH₃ | C₅H₁₂ |
6 | Hex- | Hexane | CH₃(CH₂)₄CH₃ | C₆H₁₄ |
7 | Hept- | Heptane | CH₃(CH₂)₅CH₃ | C₇H₁₆ |
8 | Oct- | Octane | CH₃(CH₂)₆CH₃ | C₈H₁₈ |
9 | Non- | Nonane | CH₃(CH₂)₇CH₃ | C₉H₂₀ |
10 | Dec- | Decane | CH₃(CH₂)₈CH₃ | C₁₀H₂₂ |
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NEET Important Formulas for 2025 |
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