Chemistry 110 – 02
Fall 2016
Eleventh Homework
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Finish studying Hill and McCreary Chapter 9 sections 1, 4, 5, 6, 7, and 8.
Begin studying Hill and McCreary Chapter 10 sections 1 - 5.
Prepare for the Final Exam. Check the syllabus for the day and time.
o Retake all the quizzes. Study the topics you don’t remember.
o Redo the homework. Study the topics you don’t remember.
o Don’t forget to refresh such things as formulas and names of polyatomic ions, names
of alkanes, etc.
o Study your class notes.
o Pack your calculator!
Turn in your lab notebook no later than the beginning of the final exam.
The last quiz will include questions from the information and questions below and from the tenth
homework. To be prepared for the quiz, you should be able to answer these questions using only
the periodic table you received in class and the information given. Any quiz may include questions
about lab safety and procedures.
Due 8:30 am Wednesday, November 30. 10 Points.
Late homework is not accepted after 8:30 am Thursday, December 1.
1. The smallest alkene is ethene. The traditional name for ethene is “ethylene”.
a. Draw the electron dot structure for ethene.
b. What is the shape around each carbon atom in ethene?
c. Is ethene polar or nonpolar?
d. What types of intermolecular attractions are present in pure ethene?
2. 2-butene is a four carbon alkene with the C=C double bond between the second and third carbon
atoms.
a. Draw the cis isomer of CH3CHCHCH3.
b. Draw the trans isomer of CH3CHCHCH3.
3. Propene is the alkene with 3 carbon atoms: CH2CHCH3
a. Write the chemical equation for the addition of hydrogen to propene.
b. What is this reaction (the addition of hydrogen to a C=C double bond) called?
c. Write the chemical equation for the addition of water to propene.
d. Write the chemical equation for the addition of I2 to propene.
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4. For each of these, state whether or not it is an alcohol.
a. H3C
H
CH2 OH
b.
H
C
C
H
C
C
C
H
H
H
O
O
c.
H
C
H
C
H
C
H
H
H
C
C
C
H
H
H
C
C
H
H
OH OH OH
d.
H
C
H
5. a. Draw the structure of the product of the oxidation of n-propanol (CH3CH2CH2OH).
b. What is the name of the enzymes that catalyze the oxidation of alcohols?
6. Draw the structure of the product of the oxidation of isopropanol (CH3CHOHCH3).
O
7. a. Draw the structure of the product of the oxidation of propanal (H3C CH2 CH).
b. What is the name of the enzymes that catalyze the oxidation of aldehydes?
O
8. Predict the result of the oxidation of acetone (H3C
C
CH3 ).
9. Draw the structure of one molecule from each of these classes of compounds.
a. alkane
b. alkene
c. alcohol
d. aldehyde
e. ketone
f. carboxylic acid
g. ester
h. amine
10. Draw the structure of each of these molecules.
a. CH3CH2CH2OH
b. CH2CHCH3
d. CH3COCH2CH3
e. CH3CHO
g. CH3COOCH3
h. CH3NH2
c. CH3CH2CH2CH3
f. CH3CH2COOH
11. What family of compounds does each of these molecules belong to? (e.g. alkane, alcohol, etc.)
You should look at the structure of each molecule in order to answer this question.
a. CH3CH2CH2OH
b. CH2CHCH3
c. CH3CH2CH2CH3
d. CH3COCH2CH3
e. CH3CHO
f. CH3CH2COOH
g. CH3COOCH3
h. CH3NH2
12. For each of these compounds, indicate what type of intermolecular attraction is present in the
pure compound.
a. CH3CH2CH2OH
b. CH2CHCH3
c. CH3CH2CH2CH3
d. CH3COCH2CH3
e. CH3CHO
f. CH3CH2COOH
g. CH3COOCH3
h. CH3NH2
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14. For each of these compounds, indicate what type of intermolecular attraction is present between
the compound and water.
a. CH3CH2CH2OH
b. CH2CHCH3
c. CH3CH2CH2CH3
d. CH3COCH2CH3
e. CH3CHO
f. CH3CH2COOH
g. CH3COOCH3
h. CH3NH2
15. For each of these compounds, predict whether it is very soluble in water.
a. CH3CH2CH2OH
b. CH2CHCH3
c. CH3CH2CH2CH3
d. CH3COCH2CH3
e. CH3CHO
f. CH3CH2COOH
g. CH3COOCH3
h. CH3NH2
16. For each pair of compounds, indicate which compound should have the higher boiling point.
Briefly explain your choice.
a. CH2CHCH3 or CH3CH2CH2CH3
b. CH2CHCH3 or CH3CHO
c. CH3CH2COOH or CH3COOCH3
17. Of all these compounds, which are isomers?
a. CH3CH2CH2OH
b. CH2CHCH3
d. CH3COCH2CH3
e. CH3CHO
g. CH3COOCH3
h. CH3NH2
c. CH3CH2CH2CH3
f. CH3CH2COOH
18. Write a chemical equation showing how this compound reacts with water. (Hint: What is the
family of compounds it belongs to?)
O
H3C CH2 C OH
19. Predict the products of this reaction.
O
H3C CH2 C OH
+ HO CH2
CH3
20. Show the hydrolysis of this ester:
H
H
H
O
C
C
C
H
H
H
O
C
H
H
21. Amines are weak bases. Show how this amine reacts with water.
H
H
H
C
C
N
H
H
H
H
22. A paper published in the journal Current Biology (Murata, K. et al. Curr. Biol.
http://dx.doi.org/10.1016/j.cub.2014.01.073 (2014).) reports that male goats release the
compound shown below, and that this compound activates the neural pathway that regulates
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reproduction in female goats. For humans this compound has an orangey, floral odor.
However, the compound is quickly oxidized to a different compound that has an odor
unpleasant to humans.
Predict the structure of the product of the oxidation of this molecule.
H
H
H
H
H
H
H
H
O
C
C
C
C
C
C
C
C
H
H
H
H
CH2 H
H
H
CH3
Flour, cereal, sugar, starch,
vegetable shortening,
salt, protein, gum leavening,
propylene glycol.
Certified colors, artificial flavors.
Chocolate coating containing
cocoa, vegetable oil (containing
an emulsifier and tenox 2
less than .05%).
Tenox 2
is an antioxidant containing
butylated hydroxyanisole,
propyl gallate, citric acid,
propylene glycol.
- "Ice Cream Cone" - Ronald Gross -
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