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1 | |
Why are there more carbon compounds than compounds of any other element? |
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2 | |
In what ways do organic compounds, as a class, differ from inorganic compounds? |
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3 | |
What is the principal bonding mechanism in organic molecules? |
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4 | |
What kind of carbon-carbon bonds are found in alkane molecules? |
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5 | |
What procedure can be used to separate the different alkanes present in petroleum? |
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6 | |
Is gasoline a compound? If not, what is it? |
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7 | |
Explain why structural formulas are more important in organic chemistry than in inorganic chemistry. |
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8 | |
In general, how do the reactivities of hydrocarbon molecules that contain only single bonds compare with the reactivities of hydrocarbon molecules that contain double or triple bonds as well? |
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9 | |
Why are substances whose molecules contain triple carbon-carbon bonds relatively rare? |
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10 | |
The isomers of a compound have the same chemical formula. In what way do they differ from one another? |
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11 | |
How many covalent bonds are present between the carbon atom and each oxygen atom in carbon dioxide, CO2? |
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12 | |
Distinguish between unsaturated and saturated hydrocarbons, giving examples of each. |
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13 | |
What is the difference between aromatic and aliphatic compounds? |
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14 | |
Why are all aromatic compounds unsaturated? |
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15 | |
Is it possible for a molecule with the formula C4H2 to exist? If not, why not? |
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16 | |
Is it possible for a molecule with the formula C2H3 to exist? If not, why not? |
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17 | |
Is it possible for a molecule with the formula C2H6 to exist? If not, why not? |
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18 | |
In which of the compounds C2H2, C2H4, and C4H10 are the carbon-carbon bonds single, in which are they double, and in which are they triple? |
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19 | |
Teflon is inert, tough, and can tolerate high temperatures because the bonds between carbon and fluorine in its structure are extremely strong. What does this suggest about the chemical activity of fluorine? |
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20 | |
Why can the compound CH3CH2Br be called either bromoethane or ethyl bromide |
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21 | |
To what class of organic compounds does the compound belong whose structure is __________________. See page 422. |
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22 | |
What is wrong with these structural formulas? See page 422. |
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23 | |
What do you think is the name of the compound whose structural formula is ___________________. See page 423. |
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24 | |
Each molecule of butyne, C4H6, has a triple bond between two of its carbon atoms. What is the structural formula of the butyne isomer in which the triple bond is in the middle of the molecule? |
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25 | |
Give an example of an ester, an organic acid, an alcohol, a sugar, and a methane derivative. |
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26 | |
Which of the following (a) dissolve in water, (b) are acids, (c) react with ethyl alcohol to give esters, (d) react with acetic acid to give esters?
C2H5COOH
C3H8
C2H4
C2H5OH
HCl
C3H5(OH)3 |
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27 | |
Compare the properties of a simple ester, for instance, methyl acetate, with those of a salt, for instance, sodium chloride. |
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28 | |
Trace the energy you use in lifting this book back through the various transformations it undergoes to its ultimate source. |
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29 | |
How does a plant obtain its carbohydrates and fats? An animal? |
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30 | |
What are the products of the oxidation of glucose? Is the process endothermic or exothermic? |
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31 | |
What is believed to be the origin of atmospheric oxygen? |
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32 | |
When sugar undergoes fermentation to produce ethanol, what other compound is also formed? |
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33 | |
Can you think of any function other than energy storage that body fat might have? |
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34 | |
Why do plants need nitrogen? Why can they not use nitrogen from the air? Where do nitrogen compounds in the soil come from? |
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35 | |
What are the basic structural units of proteins? How does the human body obtain them? |
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36 | |
What is the nature of the code by which a DNA molecule governs protein synthesis? |
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