Naming Organic Compounds
Muhtasari
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.
Malengo
- 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.
Maelezo ya Somo
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Tathmini ya Somo
Hongera kwa kukamilisha somo la Naming Organic Compounds. Sasa kwa kuwa umechunguza dhana na mawazo muhimu, ni wakati wa kuweka ujuzi wako kwa mtihani. Sehemu hii inatoa mazoezi mbalimbali maswali yaliyoundwa ili kuimarisha uelewaji wako na kukusaidia kupima ufahamu wako wa nyenzo.
Utakutana na mchanganyiko wa aina mbalimbali za maswali, ikiwemo maswali ya kuchagua jibu sahihi, maswali ya majibu mafupi, na maswali ya insha. Kila swali limebuniwa kwa umakini ili kupima vipengele tofauti vya maarifa yako na ujuzi wa kufikiri kwa makini.
Tumia sehemu hii ya tathmini kama fursa ya kuimarisha uelewa wako wa mada na kubaini maeneo yoyote ambapo unaweza kuhitaji kusoma zaidi. Usikatishwe tamaa na changamoto zozote utakazokutana nazo; badala yake, zitazame kama fursa za kukua na kuboresha.
- 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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