Chem Test 2

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Shadale14
ID:
15541
Filename:
Chem Test 2
Updated:
2010-04-21 14:14:39
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Final Exam Review
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Final Exam Review
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  1. The oxidation of 2-methylpropanal gives the product

    A) 2-methyl-2-propanol
    B) 2-methyl-3-propanol
    C) 2-methyl-1-propanol
    D) 2-methylpropanoic acid
    E) 1-butanol
    D) 2-methylpropanoic acid
    (this multiple choice question has been scrambled)
  2. The product of adding one molecule of an alcohol to an aldehyde in the presence of acid is a(n)

    A) acetal
    B) hemiether
    C) ether
    D) hydroxyl group
    E) hemiacetal
    E) hemiacetal
    (this multiple choice question has been scrambled)
  3. What is the hemiacetal formed when propanone reacts with methanol?
    • OH
    • l
    • CH3-CCH3
    • l
    • OCH3
  4. The carbon atom in a carbonyl group is ______ the oxygen atom.

    A) more elctronegative than
    B) more electropostive than
    C) less electronegative than
    D) more soluble than
    E) identical in electronegativity to
    C) less electronegative than
    (this multiple choice question has been scrambled)
  5. The increased boiling point of ketones compared to alkanes and ethers of similar mass is due to

    a) hydrogen bonding
    d) dipole-dipole interactions
    c) a bent chain structure
    d) resonance
    e) ionic interactions
    d) dipole-dipole interactions
  6. Which of the following would not be water soluble?

    A) 3-heptanone
    B) acetone
    C) 2-butanone
    D) formaldehyde
    E) propanal
    A) 3-heptanone
    (this multiple choice question has been scrambled)
  7. How many different substituents are required on a carbon atom for it to be chiral?

    A) any number from 1 to 4; chiralty doesn't depend on substitution
    B) 3
    C) 4
    D) 1
    E) 2
    C) 4
    (this multiple choice question has been scrambled)
  8. Aldehydes and ketones may be reduced to

    A) acids
    B) alkanes
    C) ethers
    D) alcohols
    E) esters
    D) alcohols
    (this multiple choice question has been scrambled)
  9. Aldehydes have higher boiling points than alkanes of similar mass because of

    A) dipole-dipole interactions
    B) hydrogen bonding
    C) oxygen bonding
    D) ionic bonding
    E) covalent bonding
    A) dipole-dipole interactions
    (this multiple choice question has been scrambled)
  10. A monosaccharide that consists of 5 carbon atoms, one of which is in a ketone group, is classified as a(n)

    A) aldotetrose
    B) ketopentose
    C) ketotetrose
    D) aldopentose
    E) aldohexose
    B) ketopentose
    (this multiple choice question has been scrambled)
  11. The reduction of monosaccharides produces

    A) sugar acids
    B) polysaccharides
    C) sugar alcohols
    D) disaccharides
    E) trisaccharides
    C) sugar alcohols
    (this multiple choice question has been scrambled)
  12. A glycosidic bond between two monosaccharides can also be classified as a(n)

    A) double bond
    B) alcohol bond
    C) ester bond
    D) achiral bond
    E) ether bond
    E) ether bond
    (this multiple choice question has been scrambled)
  13. Humans can't digest cellulose because they

    A) are poisoned by beta-glycosides
    B) have intestinal flora which use up beta-glycosides
    C) lack the necessary enzymes to digest beta-glycosides
    D) are allergic to beta-glycosides
    E) can't digest chlorophyll
    C) lack the necessary enzymes to digest beta-glycosides
    (this multiple choice question has been scrambled)
  14. Aspartame(R) and Saccharin(R) are two examples of

    A) alcohol sweeteners
    B) disaccharides
    C) polysaccharides
    D) chlorosaccharides
    E) noncarbohydrate sweeteners
    E) noncarbohydrate sweeteners
    (this multiple choice question has been scrambled)
  15. Under complete acid hydrolysis conditions, starch is converted to

    A) maltose
    B) galactose
    C) glucose
    D) fructose
    E) xylose
    C) glucose
    (this multiple choice question has been scrambled)
  16. Which of the following is found in vinegar?

    A) butyric acid
    B) formic acid
    C) acetic acid
    D) nitric acid
    E) propionic acid
    C) acetic acid
    (this multiple choice question has been scrambled)
  17. The neutralization of formic acid by NaOH produces

    A) sodium formate and H2O
    B) methyl alcohol
    C) sodium formaldehyde
    D) sodium formate as the only product
    E) formate ion and hydronium ion
    A) sodium formate and H2O
    (this multiple choice question has been scrambled)
  18. Many of the fragrances of flowers and te flavors of fruits are due to

    A) amides
    B) carboxylic acids
    C) amines
    D) ethers
    E) esters
    E) esters
    (this multiple choice question has been scrambled)
  19. The reactants that will form an ester in the presence of an acid catalyst are

    A) two alcohols
    B) two carboxylic acids
    C) an aldehyde and an alcohol
    D) a carboxylic acid and an alcohol
    E) two aldehydes
    D) a carboxylic acid and an alcohol
    (this multiple choice question has been scrambled)
  20. The splitting apart of an ester in the presence of a strong base and water is called

    A) esterification
    B) saponification
    C) neutralization
    D) reduction
    E) hydrolysis
    B) saponification
    (this multiple choice question has been scrambled)
  21. The reaction of an ester with HCl in water is known as

    A) neutralization
    B) reduction
    C) esterification
    D) hydrolysis
    E) saponification
    D) hydrolysis
    (this multiple choice question has been scrambled)
  22. What is the common name for ethanoic acid?

    A) formic acid
    B) acetic acid
    C) citric acid
    D) stearic acid
    E) butyric acid
    B) acetic acid
    (this multiple choice question has been scrambled)
  23. What kind of intermolecular bonding occurs between carboxylic acids?

    A) covalent bonding
    B) nonpolar bonding
    C) charge-transfer bonding
    D) ionic bonding
    E) hydrogen bonding
    E) hydrogen bonding
    (this multiple choice question has been scrambled)
  24. The neutralization of formic acid by NaOH produces

    A) sodium formate and H2O
    B) sodium formaldehyde
    C) sodium formate as the only product
    D) methyl alcohol
    E) sormate ion and hydronium ion
    A) sodium formate and H2O
    (this multiple choice question has been scrambled)
  25. Many of the fragrances of flowers and the flavors of fruits are due to

    A) esters
    B) amines
    C) carboxylic acids
    D) amides
    E) ethers
    A) esters
    (this multiple choice question has been scrambled)
  26. The reactants that will form an ester in the presence of an acid catalyst are

    A) two alcohols
    B) two aldehydes
    C) two carboxylic acids
    D) an aldehyde and an alcohol
    E) a carboxylic acid and an alcohol
    E) a carboxylic acid and an alcohol
    (this multiple choice question has been scrambled)
  27. The splitting apart of an ester in the presence of a strong base and water is called

    A) saponification
    B) esterification
    C) hydrolysis
    D) neutralization
    E) reduction
    A) saponification
    (this multiple choice question has been scrambled)
  28. The reaction of an ester with HCl in water is known as

    A) esterification
    B) hydrolysis
    C) neutralization
    D) saponification
    E) reduction
    B) hydrolysis
    (this multiple choice question has been scrambled)
  29. What is the common name for ethanoic acid?

    A) acetic acid
    B) stearic acid
    C) butyric acid
    D) formic acid
    E) citric acid
    A) acetic acid
    (this multiple choice question has been scrambled)
  30. What kind of intermolecular bonding occurs between carboxylic acids?

    A) covalent bonding
    B) charge-transfer bonding
    C) hydrogen bonding
    D) ionic bonding
    E) nonpolar bonding
    C) hydrogen bonding
    (this multiple choice question has been scrambled)
  31. What is the name of the structure formed when a soap coats an oily particle to make it water soluble?

    A) micelle
    B) lipid
    C) dimer
    D) liposome
    E) cluster
    A) micelle
    (this multiple choice question has been scrambled)
  32. Which of the following lipids will give a single molecule of fatty acid when hydrolyzed?

    A) glycolipid
    B) fat
    C) phospholipid
    D) wax
    E) cholesterol
    D) wax
    (this multiple choice question has been scrambled)
  33. Saturated fatty acids have higher melting points than unsaturated fatty acids because

    A) they have more hydrogen atoms
    B) the trans double bonds give them an irregular shape
    C) they have fewer hydrogen atoms
    D) the cis double bonds give them an irregular shape
    E) their molecules fit closely together
    E) their molecules fit closely together
    (this multiple choice question has been scrambled)
  34. Compared to saturated fatty acids, unsaturated fatty acids have

    A) greater intermolecular attraction
    B) lower melting points
    C) higher melting points
    D) shorter carbon chains
    E) longer carbon chains
    B) lower melting points
    (this multiple choice question has been scrambled)
  35. Waxes are lipids derived from

    A) a long-chain alcohol and a long-chain fatty acid
    B) glycerol, fatty acids, phosphate, and an amino alcohol
    C) terpenes and steriods
    D) sphingosine, fatty acids, phosphate, and an amino alcohol
    E) glycerol and three fatty acids
    A) a long-chain alcohol and a long-chain fatty acid
    (this multiple choice question has been scrambled)
  36. Commercially, liquid vegetable oils are converted to solid fats such as margarine by

    A) oxidation
    B) hydrolysis
    C) saponification
    D) hydration
    E) hydrogenation
    E) hydrogenation
    (this multiple choice question has been scrambled)
  37. The products of the saponification of a fat are

    A) fatty acids and glycerol
    B) the esters of fatty acids
    C) salts of fatty acids
    D) salts of fatty acids and glycerol
    E) phospholipids
    D) salts of fatty acids and glycerol
    (this multiple choice question has been scrambled)

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