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10.E: Exercises

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    Multiple-Choice Problems

    1. Which of the following are structural isomers? 
      A multiple choice question comparing four sets of pairs of molecules. a compares cis-2-butene with trans-2-butene; b compares trans-2-butene with 2-methylpropene; c compares cyclohexanol with its horizontal reflection; d compares 3-bromopentane with its vertical reflection
    2. Which of the following pairs are cis trans isomers? 
    3. What is the name for an eight-carbon unbranched alkane chain?
      1. hexane
      2. heptane
      3. octane
      4. nonane
      5. decane
    4. Which of the following compounds are saturated hydrocarbons? 
    5. Which of the following alkanes has the lowest boiling point?
      1. ethane
      2. propane
      3. butane
      4. pentane
    6. Which of the following has the highest energy?
       
    7. Which of the following is a cis isomer: 
    8. Which of the following is the correct name for the following compound? 
      1. 4-bromo-1,2-difluorobenzene
      2. 1,2-difluoro-3-bromobenzene
      3. 1,1-difluoro-2-bromobenzene
      4. 1-bromo-3-fluorobenzene
    9. Which of the following statements is false for the compound phenol?
      1. Phenol is a benzene derived compound.
      2. Phenol is highly toxic to the body even in small doses.
      3. Phenol can be used as a catalyst in the hydrogenation of benzene into cyclohexane.
      4. Phenol is used as an antiseptic in minute doses.
    10. In a reaction, compound L with the molecular formula C3H8O is converted to compound Z with the formula C3H6O. L is:
      1. oxidized
      2. reduced
      3. dehydrated
      4. none of these
    11. Which of the following would you expect to be soluble in water?
      1. CH3OCH3
      2. CH3CH2OH
      3. CH3CH2OCH 2CH2CH3
      4. CH3(CH2)3OH

    Practice Problems

    1. Draw line structures from the following condensed structures.
      1. CH3CH2CH2OH
      2. CH3CH2CH2OCH(CH3)2


      5. CH3COCH2Cl
      6. CH3CO2CH2CH3
      7. (CH3CH2)3CCH=CH3
    2. Write molecular formulas for the following molecules.
      1. Sulfonilamide, an antibiotic 
      2. Cholesterol 
      3. Fluoxetine, an antidepressant 
      4. Naproxen, an anti-inflammatory drug 
      5. Diphenhydramine, an antihistamine 
    3. Identify the following functional groups in molecules from the previous problem: amine, carboxylic acid, ether, aromatic, alcohol, alkyl halide.
    4. Find mistakes in the following Lewis structures, then draw a correct related structure with the same molecular formula. If there are no problems with a given structure, write “correct”.



    5. Find mistakes in the following Lewis structures, then draw a correct related structure with the same molecular formula. If there are no problems with a given structure, write “correct”. 
    6. Which of the following would you expect to be soluble in water?
      1. Vitamin C
      2. serotonin
      3. caffeine
      4. benzene
    7. Name the following acyclic hydrocarbons.
      1. CH4
      2. CH3CH3
      3. CH3CH2CH3
      4. CH3CH2CH2CH3
    8. Name the following compounds:






    9. Name three properties of hydrocarbons.
    10. What are the products of a combustion reaction?
    11. What is the monomer of PVC?
       
    12. Which of the following are aromatic compounds? 
       
    13. Name the following compounds. 

    14. Name the following compound using OMP nomenclature: 
      Q9.png
    15. What is the functional group of 1-propanol, CH3CH2CH2OH?
    16. What is the functional group of chlorobutane, CH3CH2CH2CH2Cl?
    17. Name each alcohol and classify them as primary, secondary, or tertiary.
      1. CH3CH2CH2CH2CH2OH




    18. Draw the structure for each of the following alcohols.
      1. 3-pentanol
      2. 2,2-dimethyl-3-butanol
      3. cyclopropanol
      4. 3-methyl-2-hexanol
      5. 3-ethyl-3,4-dimethyl-2-heptanol
    19. Why is methanol more soluble in water than 1-heptanol?
    20. Why does 1-propanol have a lower boiling point than 1-heptanol?
    21. Arrange these alcohols in order of increasing boiling point: 1-pentanol, methanol, and 1-hexanol.
    22. Draw the structure of glycerol, (HOCH2)2CHOH.
    23. Rank the following compounds in order of increasing boiling point:
      1. CH3OCH3
      2. CH3(CH2)2O(CH2)2CH3
      3. CH3(CH2)3OH
      4. CH3CH2OH
    24. Rank the following compounds in order of increasing boiling point:
      1. CH3CH2I
      2. CH3CH2Br
      3. CH3CH2Cl
    25. Rank the following compounds in order of increasing boiling point:
      1. CH3CH2I
      2. CH3CH3
      3. CH3CH2CH2I
    26. Circle all the chiral centers in ritonavir.
       
      ritonavir
    27. Draw the ketone and aldehyde isomers of compounds containing the chemical formula of C3H6O.
    28. Name the following compounds.




    29. Name the following compounds.




    30. Which compound in each pair has the higher boiling point? Why?
      1. propanol and propanal
      2. propane and 2-propanone
      3. 2-propanone and 2-butanone

    10.E: Exercises is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

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