Chemistry Final
Aromatic is a
Benzene group
C-N
peptide bond
benzene ring
Consists of six carbon atoms, have alternating double and single bonds
Formaldehyde
O=C-(H)2
O=C-O-C
ester
9. Arrange the following compounds in order of increasing boiling point: acetone, n-butane, propanal, 1-propanol, 2-propanol.
9. n-butane, propanal, acetone, 2-propanol, 1-propanol
14. What is the product of the reduction of 3-methyl-2-pentanone? A) 3-methyl-2-pentanol B) 2-methyl-3-pentanol C) 3-methyl-2-pentanal D) 3-methyl-2-pentene
A) 3-methyl-2-pentanol
10. Which compound has the highest boiling point? A) CH3CH2CH2CH2CH2OH B) CH3CH2CH2CH2CH3 C) CH3CH2CH2CH2OH D) CH3CH2CH2CH3
A) CH3CH2CH2CH2CH2OH
8. Which compound has the lowest boiling point? A) CH3CHO B) CH3CH2CHO C) CH3CH2OH D) CH3CH2CH2OH
A) CH3CHO
10.The hydrogenation of an alkene gives a(n) A) alkane. B) alkene. C) alkyne. D) benzene.
A) alkane
11. Tollens' reagent is used to A) distinguish aldehydes from ketones. B) reduce aldehydes. C) reduce ketones. D) oxidize ketones.
A) distinguish aldehydes from ketones.
16. Which alcohol is most soluble in water? A) ethanol B) 1-propanol C) 1-butanol D) 1-pentanol
A) ethanol
2. The common name of CH3CH2OH is A) grain alcohol. B) wood alcohol. C) rubbing alcohol. D) glycerol.
A) grain alcohol.
20. Alkanes are ________ in water and ________ than water. A) insoluble; less dense B) soluble; less dense C) insoluble; more dense D) soluble; more dense
A) insoluble; less dense
3. Which of the following is commonly known as glycerol? A B C D
B
The complete hydrolysis of a protein produced as a mixture of A Polypeptides B Free amino acids C polypeptides and free amino acids D dipeptide and free amino acids
B Free amino acids
16. What is the IUPAC name of the compound shown? (CH3)3-C-CH2-CH2-CH3 A) 1,1,1-trimethylbutane B) 2,2-dimethylpentane C) 2-dimethylpentane D) 2-ethylhexane
B) 2,2-dimethylpentane
10. Which of the following compound would be the most soluble in water? A) 2-pentanone B) 2-propanone C) 3-hexanone D) hexanal
B) 2-propanone
5. The correct name for CH3CH(CH3)CH2COCH3 is A) 2-methyl-4-pentanone. B) 4-methyl-2-pentanone. C) 2-methyl-4-butanone. D) 4-methyl-2-butanone.
B) 4-methyl-2-pentanone.
13. How many carbon atoms are there in the longest continuous chain of the molecule shown? (CH3)3C—(CH2)3—CH3 A) 8 B) 6 C) 4 D) 3
B) 6
8. What is the molecular formula of benzene? A) C6H4 B) C6H6 C) C6H8 D) C6H10
B) C6H6
7. The alcohol functional group has A) a carbon-carbon triple bond. B) a carbon-oxygen-hydrogen group. C) a six-membered ring with three double bonds. D) a double bond between carbon and oxygen.
B) a carbon-oxygen-hydrogen group.
19. The common name for the compound CH3 - CH2 - CH2 - O - CH2 - CH3 is A) 3-pentanol. B) ethyl propyl ether. C) 3-hexanol. D) 3-ether pentane
B) ethyl propyl ether.
16. What is the name of the following compound? A) o-ethylphenol B) m-ethylphenol C) p-ethylphenol D) m-ethylbenzene
B) m-ethylphenol
18. What is the common name of the compound shown? CH3CH2CH2OCH3 A) 1,2-etherbutane B) methyl propyl ether C) propyl methyl ether D) butyl ether E) isobutyl ether
B) methyl propyl ether
13. Reduction of an aldehyde produces a A) carboxylic acid. B) primary alcohol. C) secondary alcohol. D) tertiary alcohol.
B) primary alcohol.
8. Compounds of the type R2CH-OH are referred to as ________ alcohols. A) primary B) secondary C) tertiary D) quaternary
B) secondary
12. Ether molecules are polar, but do not form hydrogen bonds with other ether molecules because A) the molecules are generally too large. B) there is no hydrogen atom bonded to the oxygen. C) there are too many hydrogen atoms on the molecules to bond with just one oxygen atom. D) only binary compounds form hydrogen bonds.
B) there is no hydrogen atom bonded to the oxygen.
21. The name of the molecule shown is A) cis-3-chloro-2-pentene. B) trans-3-chloro-2-pentene. C) cis-3-chloro-3-pentene. D) trans-3-chloro-3-pentene.
B) trans-3-chloro-2-pentene.
3. Cis-trans isomerism is possible for which of the following alkenes? A). CH2=CH-CH2-CH2-CH3 B). CH3-CH=CH-CH2-CH3 C). CH3-CH=CH2 D). CH2=CH-CH2-CH3
B). CH3-CH=CH-CH2-CH3
18. What is the consequence of the ability of aldehydes and ketones to form hydrogen bonds? A)They are both highly colored when in the solid state. B)They both have boiling points less than the comparable weight alcohol. C)They prefer to hydrogen bond molecules of the same formula and will not dissolve well in water. D)There is more than one correct response.
B)They both have boiling points less than the comparable weight alcohol.
4. The IUPAC name for dimethyl ketone is A) 2-propanal. B) 3-propanal. C) 2-propanone. D) 1-propanone.
C) 2-propanone.
21. When hydrocarbons undergo complete combustion, the product(s) is(are) A) CO2 and O2. B) CO2. C) CO2 and H2O. D) H2O and O2.
C) CO2 and H2O.
1. Which atom is least likely to form a polar covalent bond with carbon? A) Cl B) F C) H D) N E) O
C) H
12. What is the product of oxidation of butanal? A) butane B) 2-butanol C) butanoic acid D) 1-butanol
C) butanoic acid
3. The functional group illustrated by R—O—R' is an A) alkyl. B) alcohol. C) ether. D) ester. E) aldehyde.
C) ether.
20. Which property of thiols makes them useful as additives to natural gas? A) flammability B) solubility C) odor D) color E) disinfectant
C) odor
17. Using systematic names, the structure shown could be called A) 1,2-dimethylbenzene. B) 1,3-dimethylbenzene. C) para-dimethylbenzene. D) ortho-dimethylbenzene.
C) para-dimethylbenzene.
15.What is the name for a three-carbon alkyl group? A) methyl B) ethyl C) propyl D) butyl
C) propyl
13. Reduction of an ketone produces a A) carboxylic acid. B) primary alcohol. C) secondary alcohol. D) tertiary alcohol.
C) secondary alcohol.
17. What structural characteristic is shared by the aldehydes and the ketones? A)They both are straight chain compounds. B)Both of these compound classes have as the smallest compound a 5 carbon skeleton. C)Aldehydes and ketones both contain a carbonyl carbon. D)Aldehydes and ketones have no shared characteristics.
C)Aldehydes and ketones both contain a carbonyl carbon.
20. Which of the following alkenes can exhibit cis-trans isomerism? A) 1,1-dibromo-1-butene B) 1-pentene C) 2-methyl-2-octene D) 3-octene
D) 3-octene
8. In straight-chain alkanes, the carbon atoms on each end of the molecule always form bonds with ________ atoms of hydrogen; the carbons within the molecule always form bonds with ________ hydrogen atoms. A) 4; 4 B) 4; 2 C) 3; 3 D) 3; 2
D) 3; 2
7. Which of the following is not a property of aldehydes and ketones? A) They are polar. B) Most have distinctive odors. C) They have higher boiling points than alcohols of similar molar mass. D) They can form hydrogen bonds with water because they have no hydrogen atoms bonded.
D) They can form hydrogen bonds with water because they have no hydrogen atoms bonded.
15. When a thiol is oxidized the product is A) an aldehyde. B) a ketone. C) sulfuric acid. D) a disulfide.
D) a disulfide.
9. A compound that contains the ring structure of benzene is called a(n) A) alkane. B) cycloalkane. C) alkyl group. D) aromatic compound.
D) aromatic compound.
14.Organic compounds that are poorly soluble in water behave that way because they are A) highly polar. B) moderately polar. C) covalently bonded. D) generally nonpolar.
D) generally nonpolar.
22. When an alkane reacts with iodine, the reaction is referred to as A) combustion. B) decomposition. C) displacement. D) iodination.
D) iodination.
1. The alcohol which contains only one carbon atom and has the common name of wood alcohol is A) ethanol. B) glycerol. C) glycol. D) methanol.
D) methanol.
11. All of the following properties of alcohols are affected by hydrogen bonding except A) boiling point. B) miscibility with water. C) ability to dissolve polar substances. D) molecular weight.
D) molecular weight.
13. Organic compounds which are sulfur analogs of alcohols are referred to as A) sulfuric alcohols. B) disulfides C) halides. D) thiols.
D) thiols.
20. Which of the following properly ranks the relative aqueous solubility of each functional group? A)alkene < aldehyde < alcohol < ketone B)aldehyde < ketone < alkene < alcohol C)alkene < ketone < alcohol < aldehyde D)alkene < ketone < aldehyde < alcohol
D)alkene < ketone < aldehyde < alcohol
2. Which family of organic molecules is a hydrocarbon? A) alcohol B) aldehyde C) amide D) amine E) aromatic
E) aromatic
17. Which of the following is the most soluble in water? A) HOCH2CH2CH2OH B) CH3CH2CH2CH2OH C) CH3CH2OCH2CH3 D) CH3CH2CH2CH3
HOCH2CH2CH2OH
P charge
Phosphorus -3
Compounds are pure substances that are composed of two or more elements in a fixed proportion (True or False)
True
Compounds can be broken down, chemically to produce their constituent elements or other compounds (True or False)
True
O=C-H
aldehyde
F charge
always -1
Addition reaction of aldehydes with an alcohol produces
hemiacetals.
aromatic hydrocarbons
hydrocarbons that contain similar ring structures
Aldehyde Reduction
primary alcohol
