Naming Organic Compounds
Bayani Gaba-gaba
Every organic compound has a systematic name that, once you can read it, tells you its structure at a glance. The naming rules are wonderfully logical: a stem for the number of carbon atoms and an ending for the family it belongs to.
In this lesson you will learn how the prefixes meth, eth, prop and but give the carbon count, how the endings ane, ene, ol and oic acid mark the family, and how numbers locate a feature on the chain. With these pieces you can name and interpret a wide range of compounds.
Manufura
- Name and draw the displayed formulae of: (a) methane and ethane (b) ethene (c) ethanol (d) ethanoic acid (e) the products of the reactions stated in sections 11.4-11.7.
- State the type of compound present, given a chemical name ending in -ane, -ene, -ol, or -oic acid or from a molecular formula or displayed formula.
- [Supplement] Name and draw the structural and displayed formulae of unbranched: (a) alkanes (b) a lkenes, including but-1-ene and but-2-ene (c) a lcohols, including propan-1-ol, propan-2-ol, butan-1-ol and butan-2-ol (d) carboxylic acids containing up to four carbon atoms per molecule.
- [Supplement] Name and draw the displayed formulae of the unbranched esters which can be made from unbranched alcohols and carboxylic acids, each containing up to four carbon atoms.
Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan Naming Organic Compounds. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- The stem 'prop' in an organic name shows the molecule has: A. 1 carbon B. 2 carbons C. 3 carbons D. 4 carbons Answer: C
- The ending '-ol' shows a compound is a(n): A. Alkane B. Alkene C. Alcohol D. Carboxylic acid Answer: C
- What is the name of the alkane with two carbon atoms? A. Methane B. Ethane C. Propane D. Butane Answer: B
- In but-2-ene, the number 2 shows the position of the: A. -OH group B. Double bond C. Branch D. -COOH group Answer: B
- The ending '-oic acid' indicates a: A. Alkene B. Alcohol C. Carboxylic acid D. Alkane Answer: C
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