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NAME ________________________ CHEMISTRY 30 ASSIGNMENT 4-2 TOPIC(S) COVERED: Text (417-444) DIRECTIONS: Complete the following questions. Refer to the text pages indicated for any assistance. PART 1: SHORT ANSWER DIRECTIONS: Complete the following questions. Please show all work unless specifically instructed otherwise. 1. Name each of the following alcohols: 2. Draw each of the following alcohols: a) methanol b) propan-2-ol d) 3-ethyl-4-methyloctan-1-ol e) 2,4-dimethylcyclopentanol 3. Name the following alkyl halides: 4. Draw condensed structural formulas for the following alkyl halides: a) bromoethane b) 2,3,4-triiodo-3-methylheptane 5. Name each of the following carboxylic acids: 6. Draw a condensed structural formula for each of the following carboxylic acids: a) hexanoic acid b) 3-propyloctanoic acid c) 3,4-diethyl-2,3,5-trimethylheptanoic acid 7. Name each of the following esters: 8. Draw the following esters: a) methyl pentanoate b) heptyl methanoate d) propyl octanoate PART 2: MULTIPLE CHOICE DIRECTIONS: Read each question carefully and choose the best answer. 1. The function group in methanol is: a. – OH b. c. – X (X is a halogen) d. 2. Use the following information to answer the next question. The compound that contains hydroxyl group as its functional group is a. (i) c. (iii) b. (ii) d. (iv) 3. The functional group present in the compound below is: a. b. carboxyl group halogen group c. d. hydroxyl group ester group 4. Use the following information to answer the next question. The functional group present in the given structure is a. hydroxyl group c. b. ester group d. carboxyl group alkenyl group 5. Use the following information to answer the next question. The IUPAC name of the given compound is a. pentanoic acid b. butanoic acid c. d. propyl methanoate 2 – oxy butan-1-ol 6. Use the following information to answer the next question. The above structure is an isomer of a. butane b. pentane c. d. heptane hexane 7. Which of the following structures does not represent an isomer of hexane? a. b. c. d. 8. Use the following information to answer the next question. Ethylene glycol acts as antifreeze and is used in automobiles and computers. It is also used for preserving body organs and in the manufacture of capacitors. Its structure is shown below. The IUPAC name of this compound is a. ethanol b. ethane-1,2-diol c. d. 1-hydroxyethane-1,2-diol 2,2-dihydroxyethane-1,2-diol 9. Use the following information to answer the next question. The molecular structure of compound ‘x’ is given below: This fruit-scented compound is generally used in ice creams and other food stuffs as a flavouring agent. Which of the following functional groups is present in compound ‘x’? a. Ester c. Alcohol b. Carboxyl d. Alkenyl 10. Use the following information to answer the next question. Hydrogen bonding in organic compounds influences their characteristic properties, such as boiling point, solubility, etc. Alcohols show hydrogen bonding due to the presence of an oxygen atom. Which of the compounds shown below shows the greatest hydrogen-bonding effect? a. CH3 – CH2 – OH c. CH3 – OH b. CH3 – CH2 – CH2 – OH d. CH3 – CH2 – CH2 – CH2 – OH 11. A functional group is a special group of atoms that is mainly responsible for the chemical behaviour of molecules. Which functional group is present in esters? a. c. b. d. 12. Alkyl halides are hydrocarbons that contain at least one halogen atom. What is the name of this alkyl? a. 2,5-dichloro-1methylcyclohexane b. 1,3-dichloro-4methylcyclohexane c. d. 4,6-dichloro-1methylcylclohexane 1,5-dichloro-2methylcyclohexane 13. Rubbing alcohol is a colourless alcohol that has a strong colour. It is the simplest known form of secondary alcohol. Its structure is: Rubbing alcohol is called a. Propan-2-one b. Propan-2-ol c. d. Propanal Propanol 14. Use the following information to answer the next question. Glycerol is a colourless and odourless liquid with a sweet taste. It contains three hydroxyl groups and it is soluble in water. The structure of glycerol is: IUPAC of glycerol is: a. Propane-1,2,3-triol b. Propan-1,2,3-oic acid c. d. Propane-1,2,3-diol Propan-1,2,3-oate 15. The most popular fruit in Europe are bananas. The characteristic smell of a banana is mainly due to a compound called an ester. The structure of the organic compound present in bananas is: What is the name of the organic compound present in bananas? a. 2-proplymethyl ethanoate c. 3-methylbutyl butanoate b. 3-methylbutyl ethanoate d. 2-methyl-3-methyl butanoate 16. Many pleasant and unpleasant aromas are due to the presence of organic compunds. The general formula of the compound known to generate aromas is: a. ROH c. RCOOH b. RX d. RCOOR' 17. Four organic compounds belonging to different functional groups are: Compound 1. Functional group 2. 3. 4. Which of the above given compounds has the highest boiling point? a. 1 c. 3 b. 2 d. 4 18. Petroleum is the main source of the hydrocarbons that are used to produce all of the following materials, except one. Which material is the exception? a. fuel c. wood b. plastic d. synthetic fibre