6. a. Draw and label a propyl group, an isopropyl group, a butyl group, an isobutyl group, a sec-butyl group, and a tert-butyl group. Do not draw an entire molecule, use a vertical squiggle to represent where the rest of the chain would be. Draw your answer using line-angle structure. b. Some of the names listed in part a are common names for these substituents. What are the IUPAC names for each of these structural arrangements? Use your IUPAC skills - do not look it up.

1.Draw a structure that corresponds to the incorrectly named: 6-tert-butyl-3-isopropylhexane. 1b. Rename the compound above according to the IUPAC rules. 1c. Draw a circle around every methine (3o) carbon and a square around every 4o carbon. How many 1o and 2o carbons arepresent?

1. How many total covalent bonds are present in the compound? (Please refer to the first image attached.) A. 8 B. 10 C. 12 D. 16   2. What is the correct IUPAC name for this compound? (Please refer to the second image attached.) A. 2,5,5-Trimethylhexane B. 2,2,5-Trimethylhexane C. 2,2,5-methylhexane D. 2,5,5-methylhexane   3. Which of the following is a tertiary alcohol? A. 2-Pentanol B. 2-Methyl-2-butanol C. 1-Butanol D. 2-Methyl-1-pentanol

Match the compound name with its correct molecular formula (based on the general formula): - propane - propene - butene - butyne A. C4H8 B. C4H6 C. C3H8 D. C3H6 Sent by you: Match the compound name with its correct molecular formula (based on the general formula): - propane - propene - butene - butyne A. C4H8 B. C4H6 C. C3H8 D. C3H6

Please draw 2-propylpentane and 4-propylpentane.

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13. The alkyl radical formed when a hydrogen atom is being removed from the second carbon of a normal four-carbon alkane is always a) a normal alkyl. 14. Disubtituted benzene compound with two attached groups that are opposite to each other is a) a meta isomer. 15. Two alkyl groups that are attached to the same C atom which has a double-bonded O atom is a) an aldehyde. b) an isoalkyl. c) a secondary alkyl. d) a tertiary alkyl. b) a para isomer. c) an ortho isomer. d) a beta isomer. b) an alcohol. c) a carboxylic acid. d) a ketone. 16. Which of the following organic compounds are not capable of hydrogen bonding by themselves? a) ketones. 17. The hydrocarbon which can undergo substitution bromination reaction. a) alkane 18. The minor product between the unsymmetrical butene and HBr is a) 1,2- dibromobutane. 19. Which of the following amines does not belong to the same group? a) aniline c) dimethylamine b) carboxylic acids c) amines d) alcohols b) alkene c) alkyne d) cycloalkene b)…

4. MAINIDEA Compare and contrast alkyl halides and aryl halides. 5. Draw structures for the following molecules. a. 2-chlorobutane c. 1,1,1-trichloroethane b. 1,3-difluorohexane d. 1-bromo-4-chlorobenzene 6. Define functional group and name the group present in each of the following structures. Name the type of organic compound each substance represents. a. CH3CH,CH2OH b. CH;CH,F c. CH;CH,NH2 7. Evaluate How would you expect the boiling points of propane and 1-chloropropane to compare? Explain your answer. d. CH3C- OH 8. Interpret Scientific Illustrations Examine the pair of substituted hydrocarbons illustrated at right, and decide whether it represents a pair of optical isomers. Explain your answer.

2. Circle and Label all functional groups in each structure. Do not make a list. a. b. НО. d. OH c. ignore the H3C H CH3 CH3 * on the structure ZI OH Fr CH3 OH

3. When working with organic compounds, Markovnikov's rule is used to predict ? A) the location of alkali ion that is being added B) where a hydrogen atom goes when added to a double bond C) when a reaction is a result of the oxidation or reduction process D) where changes in ketones or aldehydes will take place E) the position of extra methyl groups in the major or minor products 4. Methane burns in air to form carbon dioxide and water according to the following equation: CH + 20 + CO , + 2H,O Which of the following statements about this reaction is FALSE? ΔΗ = -882 kJ/mol A) The reaction is exothermic. B) The temperature of the surroundings must increase. C) The change in enthalpy could be expressed just as accurately by showing heat as one of the products of the reaction. D) The enthalpy of the products is greater than that of the reactants. E) Chemical bonds are both broken and formed in this reaction.