Review

1
Review
2
1. How many calories are released when 500 g of
water cools from 95.0?C to 25.0??

• A 35.0 cal
• B 70.0 cal
• C 1.25 x 104 cal
• D 3.50 x 104 cal
• E 4.75 x 104 cal

3
2. Calculate the density of cyclohexane if a
50.0 g sample has a volume of 64.3 mL.

• A 114 g/mL
• B 14.3 g/mL
• C 1.29 g/mL
• D 0.778 g/mL
• E 0.322 g/mL

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3. In a neutral atom the number of ___ is equal
to the number of ___.

• A protons electrons
• B protons neutrons
• C neutrons electrons
• D protons electrons neutrons
• E none of the above

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4. An atom with atomic number 26 and mass number
58 contains ___ protons and ___ neutrons.

• A 26 58
• B 58 26
• C 26 32
• D 32 26
• E 26 84

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5. One characteristic of a cation is

• A it has more protons than electrons
• B it has equal numbers of protons and electrons
• C it has more electrons than protons
• D the number of neutrons is related to the
  number of electrons
• E the relationship between protons and electrons
  varies with the cation in question

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6. The chemical formula of rust is Fe2O3. What
is the common name of this compound?
A iron oxide B ferrous oxide
C ferric oxide D
diiron trioxide
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7. What is the weight of 0.300 mol of glucose,
C6H12O6?

• A 9.00 g
• B 27.0 g
• C 54.0 g
• D 108 g

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8. The balanced equation for burning octane is
2C8H18(g) 25O2(g) ? 18H2O(g) 16CO2(g)What
weight of H2O is produced by completely burning
19.8 grams of octane?

• A 139 g
• B 69.5 g
• C 34.7 g
• D 28.1 g

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9. A gas is expanded from an initial volume of
20.5 L at 0.92 atm and 23C to a final volume of
34.6 L. During the expansion the gas cools to
12.0C. What is the final pressure?

• A 0.28 atm
• B 0.52 atm
• C 0.57 atm
• D 1.9 atm

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10. In organic compounds which of the following
elements normally forms two covalent bonds?
0

• A carbon
• B hydrogen
• C nitrogen
• D oxygen

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11. Which of the following is an example of a
secondary amine?
0

• A CH3NH2
• B CH3CH2NH2
• C CH3CH2CH2NH2
• D CH3CH2NHCH3

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12. Eicosane is a 20-carbon alkane. How many
hydrogen atoms are in a molecule of eicosane?
0

• A 38
• B 40
• C 42
• D 44

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13. Of the compounds listed here, which is not an
isomer of the other two?
0

• A 2,3-dimethylpentane
• B 3-methylhexane
• C 3-ethylpentane
• D none, they are all isomers of one another

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14. What is the IUPAC name of CH3CHCH2CH3
CH3C-CH3 CH3CHCH3 ?
0

• A 2-isopropyl-2,3-dimethylpentane
• B 2-sec-butyl-2-isopropylpropane
• C 2,3,3,4-tetramethylhexane
• D none of these

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15. Cis-trans isomers exist for which of the
following molecules, all of which have the
formula C6H12?
0

• A 4-methyl-2-pentene
• B 2-methyl-1-pentene
• C 2-methyl-2-pentene
• D all of them

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16. What type of alcohol is formed by the
hydration of 3-methyl-2-pentene?
0

• A primary
• B secondary
• C tertiary
• D none of these, the product is not an alcohol

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17. Which of the following is the IUPAC name for
sec-butyl alcohol?
0

• A 1-butanol
• B 2-butanol
• C 2-methyl-1-propanol
• D 2-methyl-2-propanol

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18. Which of the following alcohols is most
soluble in water?
0

• A 1-pentanol
• B 1,5-pentanediol
• C 1,3,5-pentanetriol
• D none, they are all equally soluble

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19. Which of the following is obtainable by the
oxidation ofsec-butyl alcohol?
0

• A 2-methylpropanoic acid
• B 2-oxobutanoic acid
• C both A and B
• D neither A nor B

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20. Which of the following correctly gives the
order of boiling points for the pentanol, diethyl
ether and hexane?
0

• A hexanegtdiethyl ethergtpentanol
• B hexanegtpentanolgtdiethyl ether
• C pentanolgtdiethyl ethergthexane
• D pentanolgthexanegtdiethyl ether

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21. What is the IUPAC name for sec-butyl
mercaptan?
0

• A 2-butanethiol
• B 2-methyl-2-propanethiol
• C 2-methyl-2-propanethiol
• D none of these

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22. How many moles of oxygen are consumed during
the complete combustion of one mole of ethanol?
0

• A 1
• B 2
• C 3
• D 4

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23. Given the compounds 2-methyl-1-pentene and
3-methyl-1-pentene which of the following is
true?
0

• A Only 2-methyl-1-pentene is chiral
• B Only 3-methyl-1-pentene is chiral
• C Both are chiral
• D Neither is chiral

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24. What is the common name of(CH3)2NCH2CH3?
0

• A ethyldimethylamine
• B dimethylethylamine
• C 1,1-dimethylethylamine
• D none of these

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25. Which of the following has the lowest boiling
point?
0

• A butane
• B 1-propanone
• C 1-propanol
• D 2-propaname

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26. What is the IUPAC name of propyl isobutyl
ketone?
0

• A 4-octanone
• B 2-methyl-4-heptanone
• C 3-methyl-4-heptanone
• D 2,2-dimethyl-3-hexanone

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27. In which of the following do the compounds
have the closest boiling points?
0

• A 2-butanone and butanal
• B 2-butanone and diethyl ether
• C diethyl ether and butanal
• D 2-butanone and 1-butanol

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28. Which of the following is least soluble in
water?
0

• A 2-butanone
• B 2-heptanone
• C 2-hexanone
• D 2-pentanone

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29. Which of the following is obtained by
oxidizing 2-hexanone?
0

• A hexanal
• B hexanol
• C hexanoic acid
• D none of these

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30. Which of the following is obtained by the
reduction of pentanal?
0

• A pentene
• B 1-pentanol
• C 2-pentanol
• D 3-pentanol

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31. The reaction of which combination of
reactants results in the formation of a
hemiacetal?
0

• A ketone and alcohol
• B ketone and aldehyde
• C ketone and carboxylic acid
• D carboxylic acid and alcohol

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32. What is the name of the compound produced by
the reaction of benzoic acid with sodium
hydroxide?
0

• A benzoic sodate
• B benzoic sodide
• C sodium benzide
• D sodium benzoate

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33. Which of the following is produced by the
acid-catalyzed hydrolysis of methyl propanoate?
0

• A methanol and propanoic acid
• B methanol and a propanoate salt
• C propanol and formic acid
• D propanol and a formate salt

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34. What is produced when acetamide is
hydrolyzed in a solution which contains sodium
hydroxide?
0

• A sodium acetate and acetic acid
• B sodium acetate and ammonia
• C acetic acid and ammonium chloride
• D acetic acid and ammonia

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Answers