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South Pasadena • Chemistry Name Period Date 3 · Organic Chemistry STATION 1 Count from 1 to 10 in “chemistry”: 1 2 3 4 meth- 5 6 • VOCABULARY 7 8 9 10 Match the following terms with their definitions: ___ 1. parent chain A. group of atoms off the parent chain (e.g. methyl or ethyl). ___ 2. isomer B. same parts, two molecules with the same molecular formula but different ___ 3. polymer structural formulas. ___ 4. structural formula C. longest string of carbon atoms in a molecule. ___ 5. bonding capacity D. number of holes in an atom (e.g. O-2, H-1, C-4, etc.) ___ 6. saturated E. picture of a molecule showing how atoms are connected. ___ 7. side group F. two molecules join by losing an H2O molecule. ___ 8. condensation reaction G. molecule with as many hydrogen atoms as possible; an alkane. H. many parts; a molecule made of repeating units. 3 · Organic Chemistry STATION 2 • HYDROCARBONS Fill in this chart of formulas and names of hydrocarbons: C3H8 C7H14 nonane C4H8 propene C10H18 octene C6H10 methane C5H12 ethyne hexane 3 · Organic Chemistry STATION 3 • MORE HYDROCARBONS Draw the molecule with the name: 2,3,3-trimethyloctane What is the name of this hydrocarbon? What is the name of this hydrocarbon? Draw the molecule with the name: 3,3-dimethylpentane 3 · Organic Chemistry STATION 4 • ISOMERS There are at least five isomers with the molecular formula, C6H14. Draw and name three of them: Draw and name the six isomers of dichlorobutane, C4H8Cl2: 3 · Organic Chemistry STATION 5 • MORE ISOMERS There are four isomers of butene, C4H8. Draw the structural formulas given the names: 1-butene 2-methylpropene cis-2-butene trans-2-butene 3 · Organic Chemistry STATION 6 • ALKANES, ALKENES, ALKYNES Identify the following as characteristics of alkanes (A), alkenes (E), or alkynes (Y). Has a molecular formula of CnH2n. C4H8 is an example. Has a H–C–C bond angle of 120°. Contains a C≡C. Can have cis- and trans- isomers. Has a molecular formula of CnH2n–2 Cannot rotate around C–C bond. C7H16 is an example. Every bond angle is 109.5°. Uses the suffix –yne. 3 · Organic Chemistry STATION 7 • FUNCTIONAL GROUPS Label these pictures with the type of functional group: The choices are: alcohol, aldehydes, ketone, ether, carboxylic acid, ester Draw the structural formulas of these three common chemicals: rubbing alcohol (isopropyl alcohol) vinegar (ethanoic acid or acetic acid) acetone (propanone) 3 · Organic Chemistry STATION 8 • CONDENSATION REACTIONS Look at the carboxylic acid and the alcohol molecules below. Draw a BOX around the atoms that will form H2O. Draw the ester molecule that will be formed when these two molecules react: Draw a BOX around the “amine group” and a CIRCLE around the “acid group.” Draw a box around the atoms that form water as these two amino acids join to form a protein: 3 · Organic Chemistry STATION 9 • COMBUSTION REACTIONS Write the balanced chemical equation for the combustion of the following compounds. Pentane Heptene Butanal, C4H8O 3 · Organic Chemistry STATION 9 • COMBUSTION REACTIONS Write the balanced chemical equation for the combustion of the following compounds. Pentane Heptene Butanal, C4H8O