Name ________________________
Organic Chemistry Review Worksheet
From the word list, choose the term that best fits each description. Write the term in the blank
at the left.
saturated hydrocarbons
hydrocarbons
substituted hydrocarbons
polymers
lipids
unsaturated hydrocarbons
proteins
carbohydrates
isomers
amino acids
aminio acids
1. Monomers that form proteins
hydrocarbons
2. Made up of only carbon and hydrogen
polymers
3. large molecules made up of many smaller organic
molecules that have formed new bonds and are linked
together
carbohydrates
4. Biological compounds that contain twice as many
hydrogen atoms as oxygen atoms
saturated hydrocarbons
5. Hydrocarbons with only single bonds
isomers
6. Compounds with the same chemical formula but different
molecular structures and shapes
proteins
7. Polymers that control the growth and repair of cells
unsaturated hydrocarbons 8. Hydrocarbons that have at least one double or triple bond
lipids
9. Biological compounds that include fats and oils
substituted hydrocarbons 10. Hydrocarbons in which one or more hydrogen atoms
have been replaced with atoms of other elements
Place a check mark in front of each of the formulas that shows a substituted hydrocarbon.
Then if it is a substituted hydrocarbon, in the space that follows, list the type of substituted
hydrocarbon: alcohol, carboxylic acid, amine or amino acid
_____ 11. CH4 ____________________
X 12. C2H5OH
alcohol
_____13. C6H6 ____________________
X 14. C3NH2
X 15. CH3OH
amine
alcohol
_____16. C2H2 ____________________
X 17. C3H7COOH
carboxylic acid
X 18. C2H4NH2COOH
amino acid
_____19. C2H4 ____________________
X 20. C3H5NH2
amine
Determine whether the italicized term makes each statement true or false. If the statement is
true, write the word “true” in the blank. If the statement is false, write in the blank the term
that makes the statement true.
Carbon
Four
Hydrogen
Covalent
21. With a few exceptions, compounds that contain the
element hydrogen are organic compounds.
22. A carbon atom has five electrons in its outermost energy level.
23. A compound made up of only oxygen and carbon atoms
is called a hydrocarbon.
24. Bonds formed between carbon atoms are ionic bonds.
True
25. Carbon can bond with as many as four other carbon atoms.
True
26. The natural gas methane is an example of a hydrocarbon.
Alcohol
Formula
True
27. A substituted hydrocarbon that has an –OH group in place of
a hydrogen atom is called an amine.
28. CH4 is the chemical structure for methane.
29. A hydrocarbon that has one or more of its hydrogen atoms
replaced by atoms of other elements is a(n) substituted
hydrocarbon.
In the blank, write the word or words that best complete the sentence.
30. All organic compounds contain the element
31. An amine is formed when –NH2 / amine group
hydrocarbon.
carbon
.
replaces a hydrogen atom in a
32. When both a –NH2 and –COOH replace hydrogen atoms on the same carbon atom in a
hydrocarbon, a(n) amino acid
is formed.
33. Rubbing alcohol (isopropyl alcohol) is a(n)
isomer
of propyl alcohol.
34. Substituting a hydroxyl group for a hydrogen atom in a hydrocarbon forms a(n)
alcohol
.
35. Sugars and starches are known as
36. A molecule of ethanoic acid has a(n)
carbohydrates
carboxyl / acid
37. A double bond is evidence that a hydrocarbon is
.
group.
unsaturated
38. A(n) monomer links with others like it to form a polymer.
.
39. C6H6 is the formula for benzene. Benzene’s carbon atoms have three single bonds and
three double bonds. In the space provided, draw the structural formula for benzene.
In the blank at the left, write the letter of the choice that best completes the statement or
answers the question.
Methylamine
Methanol
Methanoic Acid
C 40. The missing part of the methylamine molecule in Figure 1 is _____.
a. H
b. C
c. NH2
d. OH
A 41. The missing part of the methanol molecule in Figure 1 is _____.
a. OH
b. O
c. H
d. C
D 42. The missing part of the methanoic acid molecule in Figure 1 is _____.
a. H2
b. NH2
c. H
d. O
D 43. Organic compounds _____.
a. all contain fluorine
b. have only double bonds
c. are only in flowers
d. all contain carbon
Draw the structure for each of the chemical formulas.
44. C3H8
45. C2H4NH2COOH
46. C4H4
47. C2HNH2
48. C4H9OH
49. C4H2NH2COOH
50. C5H9COOH