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Nomenclature of Organic Compounds and Isomerism
Chemistry · Kerala SSLC (Class 10) · English Medium · 39 questions and answers
Sample questions
- Q: What does IUPAC stand for?
- A: International Union of Pure and Applied Chemistry — the body that gives systematic rules for naming organic compounds.
- Q: What is the general molecular formula of alkanes?
- A: CₙH₂ₙ₊₂, where n is the number of carbon atoms. Example: methane CH₄, ethane C₂H₆.
- Q: What is the general molecular formula of alkenes?
- A: CₙH₂ₙ. Alkenes contain a carbon–carbon double bond. Example: ethene C₂H₄.
- Q: What is the general molecular formula of alkynes?
- A: CₙH₂ₙ₋₂. Alkynes contain a carbon–carbon triple bond. Example: ethyne C₂H₂.
- Q: In IUPAC naming, what are the root words for chains of 1 to 4 carbon atoms?
- A: 1 carbon → meth, 2 → eth, 3 → prop, 4 → but. (5 → pent, 6 → hex, and so on.)
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