Test1 Quizzes - Multiple choice quiz and test questions for the first exam PDF

Title Test1 Quizzes - Multiple choice quiz and test questions for the first exam
Author Lola ChildShield
Course Comp Methods In Chem Engr
Institution University of Illinois at Urbana-Champaign
Pages 26
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Multiple choice quiz and test questions for the first exam...


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Chapter 10 Quiz 1. Which of the following is not a characteristic associated with undecane, an 11-carbon straight chain alkane? Hydrogen bonding 2. One of the following structures represents an unstable organic compound that is not likely to exist?

3. Consider the compound 4-ethyl-2,2-dimethylhexane shown below. What classification best describes the fourth carbon atom in this six-carbon parent chain? Tertiary 4. What word best describes the geometry (shape) around a carbon atom that has four single bonds to neighboring atoms? Tetrahedral 5. A cycloalkane molecule contains 8 carbon atoms. How many hydrogen atoms are present in the molecule? 16 6. Which functional group is found in alcohols? Hydroxyl 7. What is the proper name for the compound shown below? Trans-1,3-dimethylcyclohexane

8. What is the IUPAC name of the following compound? 2,5-dibromohexane

9. What is the IUPAC name of the following compound?

2,2,4-trimethylpentane 10. Which type of compound is NOT classified as an aliphatic hydrocarbon? Aromatic

1. How many constitutional isomers are possible for the molecular formula C5H12? three 2. Methane reacts with oxygen in a combustion reaction to produce carbon dioxide and water. How many moles of water are produced by the complete combustion of one mole of methane? 2 3. Which of the following compounds are related as geometric isomers? 1 and 4

4. What term is used to describe the various spatial arrangements of a molecule formed by rotation around C-C single bonds? conformations 5. what is the IUPAC name of the following compound? 2,2-dimethylpropane

6. What is the classification of the carbon atom that is bonded to the -OH group in menthol? secondary 7. Which of the following is a correct description of saturated hydrocarbons? contain only single carbon-carbon bonds 8. The carbonyl group is a functional group found in many different types of compounds. What is the general structure of the carbonyl group?

9. An alkane used as a lubricant contains 25 carbon atoms. How many hydrogen atoms are present in its structure? 52

1. A chemist needs to reflux a reaction mixture at a high temperature. This requires the use of a high-boiling organic solvent. Of the following solvents that are available for use, which would have the highest boiling point, and therefore should be used as the solvent in the reaction?

2. the chair conformation of cyclohexane is more stable than the boat conformation. true 3. What type(s) of carbon-carbon bonds are never found in a saturated hydrocarbon? double and triple bonds 4.In 1828, Friedrich Wöhler carried out the first synthesis of an organic compound from inorganic substances. What compound did he accidentally make? urea 5.What is the proper name for the compound shown below?

trans-1,3-dimethylcyclohexane

6.Which correctly describes the geometry and bond angles around the indicated carbon in the structure below?

tetrahedral, 109.5° 7. Of the structures shown, which are related as constitutional isomers?

A and B are correct 8. Which compound is an isomer of butane? CH3CH(CH3)2 9. The large number of organic compounds is due in part to the ability of these compounds to form constitutional isomers. Which of the following pairs of compounds are related as constitutional isomers?

10. The condensed formula of a compound conveys the same information as the structural formula, but in a more concise form. True 1.Hexane commonly exists in chair conformation or boat conformation. False 2.Which name descirbes a three-carbon alkane. Propane 3.Eicosane is the name of the organic compound with the condensed formula CH3(CH2)18CH3. What does the prefix ‘eicos’ specifically indicate about the structure of this compound? It contains 20 carbons in a continuous chain 4. The structure of an organic compound may be represented in several different ways. Which formula for an organic compound explicitly shows all of the atoms and bonds in a molecule? structural formula

5. What is the IUPAC name of the following compound?

3-methylpentane

6. What is the structure of trans-1,3-dibromocyclohexane?

7.Which of the following is not an allotropic form of the element carbon? quartz 8.Benzene may be represented by the line formula below. What is the molecular formula of benzene? C6H6 9.Which correctly describes the geometry and bond angles around the indicated carbon in the

structure below? Tetrahedral,109.5 10.Which of the following molecular formulas is not that of an alkane or cycloalkane? C6H6 1.The large number of organic compounds is due in part to the ability of these compounds to form constitutional isomers. Which of the following pairs of compounds are related as constitutional isomers?

2. What is the IUPAC name of the compound below? Methylcyclohexanes 3. Urean, show below, is an isomer of ammonium cyanate, NH4OCN

TRUE

4.Which bonding pattern is not typical of carbon atoms in organic compounds?

5. Which compound is an isomer of butane?CH3CH(CH3)2

6. Which of the following is the correct description of saturated hydrocarbons? contain only single carbon-carbon bonds 7.Which of the following is a possible product of the halogenation reaction shown below?

9.Organic compounds tend to have higher boiling points than organic compounds. FALSE 10.The condensed formula of the compound conveys the same information as the structural formula, but in a more concise formula. TRUE 2. How does an alkyl group differ from its parent alkane? An alkyl group contains one less hydrogen atom than its parent alkane 3. In 1828, Friedrich Wohler carried out the first syntheses of organic compound from inorganic substances. What compound did he accidentally make? urea 4.The carbonyl group is a functional group found in many different types of compounds. What is the general structure of the carbonyl group?

5.An alkane used as a lubricant contains 25 carbon atoms. How many hydrogen atoms are in its structure? 52 6. Which compound is an isomer of 2-methylpropane?Butane 7.In a solution of water, inorganic compounds tend to be better conductors of electricty than organic compounds. TRUE 8.Which of the following is 1-chloro-3-methylbutane?

9. Which statement concerning the two compounds shown below is FALSE?

Compound A and compound B are both hydrocarbons 10. Diamond and graphite are both allotropes of carbon

1. The carboxyl functional group is found in all ketones. False 2. Which of the following is NOT a characteristic associated with undecane, an 11-carbon straight chain alkane? Hydrogen Bonding 3. Diamond and graphite are both ___________ of carbon. Allotropes 4. The compound shown below can be made from the halogenation reaction of what

compound?

Pentane

5. The compound shown below is classified as what type?

Carboxylic

Acid 6. Traces of chloroform, CHCl3, were found in the trunk of a car of a Florida woman who was charged in the death of her child. Which of the following best represents the order

of attachment of the atoms in chloroform? 7. Which bonding pattern is NOT typical of carbon atoms in organic compounds?

8. What is the molecular formula of butane?  C4H10

9. What is the proper name of the following compound?

trans-1,2-dichlorocyclopentane

10. What is the source of most of the synthetic organic compounds that are used today? petroleum

Chapter 11 Quiz 1. What is the structure and name of the product of the following reaction? CH3CH2CH2CH3, butane 2. What is the product of the following reaction?

3. Both 1-butene and 2-butene have cis- and trans-isomers. False 4. What are the bond angles around the carbon atoms in CH2=CH2? 5. What is the major product formed by the hydration of propene?

120 degrees

6. The polymer shown was formed by the addition polymerization of an alkene. What is the molecular formula of the alkene which formed the polymer? C3H5Cl 7. Bombykol is a pheromone secreted by the female silkworm moth to attract males. This compound contains two alkene double bonds. Which of the following correctly describes the geometry around each? The double bond at C10 is trans and the double bond at C12 is cis 8. THe molecular formula of 3-octene is C8H16. True 9. Polyvinyl chloride (PVC) is formed by addition polymerization of vinyl chloride, CH2=CHCl. Which of the following depicts a representative section of the PVC structure?

10. The names ortho-dimethylbenzene and 1,2-dimethylbenzene represent the same compound. True

1. What is the proper IUPAC name of the following compound? 1,2-dimethylbenzene

2. What is the structure and name of the product of the following reaction? CH3CH2CH2CH3, butane

3. What is the major product formed by the hydration of propene?

4. What is true about a compound with the name 3,3-dimethyl-1-butyne? contains a carbon-carbon triple bond. 5. The common name of ethyne is acetylene. True 6. Which of the following reactions is best suited to prepare the compound 2,2-dibromopentane?

It

7. Both 1-butene and 2-butene have cis- and trans-isomers. False. 8. When 4,4-dimethyl-2-pentene adds H2 in an addition reaction, what is the name of the product that results? 4,4-dimethyl-2-pentane 9. Which reaction may be used to convert an alkene to an alkane? hydrogenation

10. What is the product of the following reaction?

1. What is the proper IUPAC name for an alkene that contains three carbon atoms? propene 2. The molecular formula of 3-octene is C8H16. True 3. What product results when benzene undergoes the halogenation reaction below?

4. In the food industry, what substance undergoes hydrogenation to produce margarine? vegetable oils

5. What is the IUPAC name of the following compound? trans-2-butene 6. Acetylene (ethyne) is a gas at room temperature because its boiling point is -84C. What type of intermolecular forces hold molecules of acetylene together in a collection? London Dispersion Forces

7. What is the IUPAC name of the following compound? cis-2-butene 8. What is the structure and name of the major product of the following reaction? CH3CH=CH2+HCl yields ? CH2CHClCH3, 2-chloropropane 9. Palladium is a catalyst used in hydrogenation. True 10. What is the IUPAC name of the compound below? trans-2-bromo-3-hexene

1. Bombykol is a pheromone secreted by the female silkworm moth to attract males. This compound contains two alkene double bonds. Which of the following correctly describes the geometry around each?

The double bond at C10

is trans and the double bond at C12 is cis . 2. The polymer shown was formed by the addition polymerization of an alkene. What is the molecular formula of the alkene which formed the polymer?

C2H3Cl

3. What is the IUPAC name of the following compound?

trans -2-butene

4. What are the bond angles around the carbon atoms in CH2=CH2? 120 5. What is the name of the compound formed by the chlorination (addition of Cl2) of propene? 1,2-dichloropropane 6. What is the proper name of the product formed by the hydrogenation of 2-octene? octane 7.What is true about a compound with the name 3,3-dimethyl-1-butyne? It contains a carbon-carbon triple bond. 9. Which of the following best describes the changes that occurred in the reaction shown below?

An H atom and an –OH group have been added to the reactant 10. Which statement concerning the structure of the compound 1-ethylcyclohexene is FALSE? All of the above statements are true 1. Which statement concerning the structure of the compound 1-ethylcyclohexane is False? All of the above statements are true 2. What is the IUPAC name of the compound below?

Trans-2-bromo-3-hexene 3. What is the IUPAC name of the following compound?

4-methyl-2-heptyne 4.The names ortho-dimethylbenzene and 1,2-dimethylbenzene represent the same compound. TRUE 5. Polyvinyl chloride (PVC) is formed by addition polymerization of vinyl chloride,

CH2=CHCl. Which of the following depicts a representative section of the PVC structure?

6.Hydration of an alkene produces a ketone. FALSE 7. What is the major product formed by the hydration of propene?

8.What is the results when benzene undergoes the halogenation reaction below?

9. Which of the following is the correct condensed formula for 2-butyne? CH3C≡CCH3 10.Alkenes contain only one double bond. FALSE

Ch 12 Quiz

1. What is another acceptable name for the compound 4-chlorophenol? para-chlorophenol 2. Oxidation may be classified as the gain of bonds to oxygen, or the loss of bonds to hydrogen. True

3. What is the IUPAC name of the following compound? 3-methyl-2-hexanol 4. What is the common name of the simplest ether? dimethyl ether 5. What is the most common use of phenol derivatives in health care? antiseptics/disinfectants 6. The hydration reaction below follows Markovnikov’s Rule. Which of the following

is the expected major product of this reaction?

7. What is the name of the product formed in the following reaction, the catalyzed hydrogenation of 2-butanone? 2-butanol 8. Which statement concerning the physical properties of alcohols is false? The water solubility of an alcohol decreases with an increase in the number of polar hydroxyl group. 9. Which of the following statements about the compound shown below is false?

It is a tertiary alcohol 10. What is the general classification of the reaction depicted below?

oxidation

1.Which of the following is expected to have the greatest solubility in water? CH3OH 2. Which of the following is NOT a possible alkene product from the dehydration reaction

of 2-butanol? 3. Which statement best describes the solubility of the alcohol whose structure is shown below?

It would have limited solubility in water because the molecule is largely hydrophobic. 4.What is the IUPAC name of the compound CH3CH2CH2OH? 1-propanol 5.The compound tetrahydrocannabinol (THC) is partly responsible for the “high” associated with smoking marijuana. Which of the following correctly represents the organic families to which THC belongs?

phenol, alkene, ether

6.What is the structure of the ether, 3-ethoxyhexane? 7. When an alcohol is heated with concentrated sulfuric acid (H2SO4), which of the following reaction types is likely to occur? dehydration 8. Oxidation may be classified as the gain of bonds to oxygen, or the loss of bonds to hydrogen True 9. What important type of bond, formed between two sulfhydryl (-SH) groups, plays a key role in the shapes of many proteins? disulfide bond 10. Which compound has been improperly named?

1.What role does the thiol coenzyme A perform in biochemical reactions? It serves as a carrier of two-carbon acetyl groups.

2. What is the IUPAC name of the compound shown below? cyclopropanol 3. The condensation reaction between the two alcohols below produces what type of compound? ether 4. What is the initial oxidation product of a primary alcohol? aldehyde 5.Oxidation may be classified as the gain of bonds to oxygen, or the loss of bonds to hydrogen. true 6.Which of the following alcohols is a tertiary alcohol? 2-methyl-2-butanol 7.Ethylene glycol is the common name for the compound with the structure: HOCH2CH2OH. What is the IUPAC name for this compound? 1,2-ethanediol 8. Dehydration of a primary alcohol produces a mixture of alkenes. false 9. Stepwise oxidation of a primary alcohol produces first an ether and then a carboxylic acid. false 10.The gain of an electron by an atom is called reduction. True

1.Zaitsev's rule can be used to predict the major alkene product in a dehydration reaction. Which of the following alkenes would be the major product of the dehydration reaction shown below?

2.Although ethanol is fit for human consumption, methanol is quite toxic if ingested. The toxicity is due to the aldehyde produced when methanol is oxidized in the liver. Which of the following is the aldehyde formed by the oxidation of methanol?

3.Glycerol (1,2,3-propanetriol) is a by-product of the hydrolysis of fats. TRUE 4.The gain of an electron by an atom is called reduction. TRUE 5. Oxidation of a secondary alcohol results in what type of compound? Ketone 6.When methanal, the simplest aldehyde, undergoes reduction by the addition of hydrogen, what product results? methanol 7.What is the structure of the ether, 3-ethoxyhexane?

8.Which of the following alcohols is a tertiary alcohol? 2-methyl-2-butanol 9. What is the IUPAC name of the following compound?

3-methyl-2-hexanol 10.What alcohol causes blindness and possibly death when it is consumes? methanol 1. What important type of bond, formed between two sulfhydryl (-SH) groups, plays a key role in the shapes of many proteins? disulfide bond 2. When alcohol is heather when concentrated sulfuric acid(H2SO4), which of the following reaction types is likely to occur? dehydration 3. Which statement best explains why alcohols have higher boiling points than alkanes with similar molar mass? Alcohols have strong hydrogen bonding forces between molecules and alkanes have weaker londen forces 4. What is the common name of 2-propanol? isopropyl alcohol 5. Which of the following statements concerning glycerol is false? glycerol is a diol 6. What is the structure of the ether, 3-ethoxyhexane?

7. Which of the following structures represents the compound 1,3-propanedithiol?

8.Which of the following biochemical species contains a thioester bond which plays a key role in its function? Acetyl CoA 9. What is another acceptable name for the compound 4-chlorophenal? para-cholorpehnol

Ch 13 Quiz 1. Which statement best describes the structural difference between aldehydes and ketones? Aldehydes contain a carbonyl group on an end carbon of the carbon chain; ketones contain a carbonyl group on a carbon within the carbon chain 2. An unknown compound is highly water soluble, forms a silver mirror in the Tollens’ test, and forms a red precipitate in the Benedict’s test. Which of the following compounds is consistent with this data? 3. An acetal contains two ether functional groups. True 4. Pure formaldehyde is a liquid at room temperature. False 5. Salicin is a naturally occurring pain reliever isolated from the bark of willow trees. Which of the following statements concerning the structure of salicin is correct?

It contains an acetal. 6. What is the common name of the following compound? acetone 7. Which of the following compounds would be expected to react similarly in a chemical reaction? II and IV 8. What type of compound is produced by the oxidation of an aldehyde? carboxylic acid 9. Where in the body is ethanol oxidized to produce ethanal? liver 10. What is the name of the aqueous solution of formaldehyde that is available commercially as a tissue preservative? formalin

1. Which of the following will give a silver mirror when treated with Tollen’ reagent? hexanal 2. Benedict’s test can be used to distinguish between an aldehyde and a ketone. True 3. Cyclopentanone reacts with one molecule of ethanol to yield a hemiactel product. Which of the following correctly represents the structure of the hemiacetal

product?

4. What is the IUPAC name of the compound shown? 4-heptanone 5. Propylene glycol, shown below, is a nontoxic diol used as a solvent for pharmaceutical drugs, and as a moisturizing agent for foods. When ingested, both alcohol functional groups are oxidized by enzymes in the liv...


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