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Organic Chemistry Practice Quiz Name: Completion Complete each statement. 1. The molecular formula of octane is ____________________. 2. The correct structure of 4-methyl-2-pentanol is ____________________. Short Answer 3. Draw the structures of 2,2,3-pentanetriamine and 1,3,5-cyclohexanetriol. 4. Predict the product of the following reactions: a. b. 5. Write the name and structure of the monomers that react to form the polymers given below: a. PVC b. Teflon Problem 6. Write the IUPAC name of the following structure: 7. Write the IUPAC name of the following compound: 8. Name the functional group present in the following compound. OH 9.Identify the functional group present in the compounds: a. CH3-O-CH2CH3 b. 10. Draw the structures of the following compounds and name the functional group of each. a. Methanamide b. Ethyl ethanoate c. Butanoic acid d. 3-hexanone 11. Complete the IUPAC name of the following ester: 12. Write the IUPAC name of the compound when 1-butene undergoes the process of hydration. 13. Write the IUPAC name of the compound formed by the reaction between propene and hydrogen iodide. Essay 14. Alkanes are compounds of carbon and hydrogen. a Write the molecular formula of an alkane having five carbon atoms. b Write the condensed structural formula of an alkane having five carbon atoms. c Write all of the structural formulas of branched-chain alkane with the molecular formula from part a. 15. The alkanes are the simplest types of hydrocarbons. a Why is butane used as a domestic fuel? b What happens when you try to dissolve butane in water? c Why is butane less reactive in nature? Organic Chemistry Practice Quiz Answer Section COMPLETION 1. ANS: PTS: OBJ: STA: MSC: 2. ANS: 1 DIF: 3 REF: Page 701 22.1.1 Describe the structures of alkanes. S.11.C.1.1.2 TOP: Describe the structures of alkanes. 2 NAT: UCP.1 | B.2 KEY: Molecular formula PTS: 1 DIF: 1 REF: Page 744 OBJ: 23.2.2 Draw the structure of alcohols, ethers, and amines. NAT: B.2 STA: S.11.C.1.1.3 TOP: Draw the structure of alcohols, ethers, and amines. KEY: Structure of alcohols MSC: 2 SHORT ANSWER 3. ANS: a. The structure of 2,2,3-pentanetriamine is . b. The structure of 1,3,5-cyclohexanetriol is . PTS: 1 DIF: 2 REF: Page 744 | Page 746 OBJ: 23.2.2 Draw the structure of alcohols, ethers, and amines. NAT: B.2 STA: S.11.C.1.1.3 TOP: Draw the structure of alcohols, ethers, and amines. KEY: Structure of amine and alcohol MSC: 2 4. ANS: a. b. PTS: 1 DIF: 3 REF: Page 755 | Page 756 OBJ: 23.4.3 Predict the product of common types of organic reactions. NAT: B.3 STA: S.11.A.1.3.2 TOP: Predict the product of common types of organic reactions. KEY: Addition reaction | Elimination reaction MSC: 2 5. ANS: a. Vinyl chloride b. Tetrafluoroethylene PTS: 1 DIF: 2 REF: Page 763 OBJ: 23.5.1 Describe the relationship between a polymer and the monomers from which it forms. NAT: B.2 | B.3 STA: S.11.A.1.3.2 | S.11.A.2.2 TOP: Describe the relationship between a polymer and the monomers from which it forms. KEY: PVC | Teflon MSC: 2 PROBLEM 6. ANS: 5-ethyl-3,4,4-trimethyloctane PTS: 1 DIF: 2 REF: Page 703 OBJ: 22.1.2 Name an alkane by examining its structure. NAT: B.2 STA: S.11.C.1.1.2 TOP: Name an alkane by examining its structure. KEY: Nomenclature MSC: 2 NOT: Select the longest chain and number it such that the lowest possible number positions are given to alkyl groups. 7. ANS: 5-ethyl-4-methylnonane PTS: 1 DIF: 3 REF: Page 703 OBJ: 22.1.2 Name an alkane by examining its structure. NAT: B.2 STA: S.11.C.1.1.2 TOP: Name an alkane by examining its structure. KEY: Nomenclature of alkane MSC: 2 NOT: Identify the longest carbon atom chain. Number the chain such that the alkyl groups get the minimum value of numbers. Write the name of the alkyl groups in an alphabetic order. 8. ANS: Hydroxyl PTS: 1 DIF: 3 REF: Page 738 OBJ: 23.1.1 Describe a functional group and give examples. NAT: B.2 STA: S.11.C.1.1.3 TOP: Describe a functional group and give examples. KEY: Functional groups MSC: 2 NOT: A functional group in an organic molecule is an atom or group of atoms that always reacts in a certain way. The addition of a functional group to a hydrocarbon structure always produces a substance with physical and chemical properties that differ from those of the parent hydrocarbon. 9. ANS: a. Ether b. Amine PTS: 1 DIF: 1 REF: Page 745 OBJ: 23.2.1 Identify the functional groups that characterize alcohols, ethers, and amines. NAT: B.2 STA: S.11.C.1.1.3 TOP: Identify the functional groups that characterize alcohols, ethers, and amines. KEY: Functional groups MSC: 2 NOT: a) Ethers contain an oxygen atom bonded to two carbon atoms. b) Amines contain a nitrogen atom bonded to a carbon atom in an aliphatic chain or aromatic ring. 10. ANS: a. Amide b. Ester c. Carboxylic acid d. Ketone PTS: 1 DIF: 2 REF: Page 748 | Page 749 | Page 750 | Page 752 OBJ: 23.3.1 Draw and identify the structures of carbonyl compounds including aldehydes, ketones, carboxylic acids, esters, and amides. NAT: B.2 STA: S.11.C.1.1.3 TOP: Draw and identify the structures of carbonyl compounds including aldehydes, ketones, carboxylic acids, esters, and amides. KEY: Carbonyl compounds MSC: 2 NOT: a) Amides have CONH2 group. b) Esters have COOR group. c) Acids have COOH group. d) Ketones have RCOR group. 11. ANS: Propyl butanoate PTS: 1 DIF: 3 REF: Page 750 OBJ: 23.3.1 Draw and identify the structures of carbonyl compounds including aldehydes, ketones, carboxylic acids, esters, and amides. NAT: B.2 STA: S.11.C.1.1.3 TOP: Draw and identify the structures of carbonyl compounds including aldehydes, ketones, carboxylic acids, esters, and amides. KEY: Esters MSC: 2 NOT: The name of an ester is formed by writing the name of the alkyl group followed by the name of the acid. The suffix -ic of the acid is replaced by -ate. 12. ANS: 1-butanol PTS: 1 DIF: 3 REF: Page 756 OBJ: 23.4.3 Predict the product of common types of organic reactions. NAT: B.3 STA: S.11.C.1.1.3 TOP: Predict the product of common types of organic reactions. KEY: Organic reactions MSC: 2 NOT: The IUPAC name of the product can be obtained by writing the equation for the reaction. 13. ANS: 1-iodopropane PTS: 1 DIF: 3 REF: Page 757 OBJ: 23.4.3 Predict the product of common types of organic reactions. NAT: B.3 STA: S.11.C.1.1.3 TOP: Predict the product of common types of organic reactions. KEY: Organic reactions MSC: 2 NOT: The nature and the name of the product are predicted on the basis of the reactants. ESSAY 14. ANS: a. b. c. PTS: 1 DIF: 3 REF: Page 700 OBJ: 22.1.1 Describe the structures of alkanes. NAT: UCP.1 | B.2 STA: S.11.C.1.1.2 TOP: Describe the structures of alkanes. KEY: Structure and formula of alkane MSC: 2 15. ANS: a Butane is used as a domestic fuel because it readily undergoes combustion in oxygen to produce a huge quantity of heat and energy. b Butane does not dissolve in water because water is a polar solvent, whereas butane is a nonpolar molecule. c Butane is a non-polar molecule which has no charge, and therefore is not attracted toward any ions or polar molecule. The carbon-to-carbon and carbon-to-hydrogen bonds in butane are very strong. Hence, they are not broken easily. PTS: 1 DIF: 2 REF: Page 708 OBJ: 22.2.3 Describe the properties of alkanes. STA: S.11.C.2.2.3 TOP: Describe the properties of alkanes. MSC: 2 NAT: B.2 KEY: Properties of alkanes