IPC Chapter 21 TEST REVIEW

Name: ______Date: ______

Multiple Choice: Circle the letter of the correct answer:

1. A large molecule made up of many smaller molecules is called a(n)_

a. monomer b. isotope c. isomer d. polymer

2. A polymer formed from amino acids is a ____

a. lipid b. carbohydrate c. protein d. nucleic acid

3. A hydrocarbon in which one or more hydrogen atoms is replaced by an –OH group is ____

a. an alcohol b. aromatic c. a lipid d. a carbohydrate

4. Alcohols are examples of ___

a. aromatic compounds

b. substituted hydrocarbons

c. carbohydrates

d. organic acids

5. The structure of benzene can best be described as___

a. straight chain

b. branched chain

c. ring

d. ring with a branched chain

7. A hydrocarbon in which all of the carbon atoms are joined to other carbon atoms by single covalent bonds is a(n) ____ hydrocarbon.

a. saturated b. unsaturated c. aromatic d. substituted

8. DNA and RNA are ____

a. lipids b. proteins c. carbohydrates d. nucleic acids

10. What type of compound is cholesterol?

a. nucleic acid b carbohydrate c. protein d. lipid

11.  The process of separating petroleum products by boiling points is called

a.  Substituting hydrocarbons

b.  Fractional distillation

c.  Covalent bonding

d.  Ionic bonding

12.  Organic compounds whose structural formulas contain the benzene ring are called __

a.  Substituted hydrocarbons

b.  Saturated hydrocarbons

c.  Aromatic compounds

d.  Organic acids

13.  How would you describe a benzene ring?

a.  Rare

b.  Stable

c.  Unstable

d.  Saturated

14.  An example of a polymer product is

a.  Lead tubing

b.  Crude oil

c.  Water

d.  Plastic

15.  A polymer is made of a series of:

a.  Atoms

b.  Monomers

c.  Fuels

d.  Synthetic molecules

16.  The process of distillation involves:

a.  Vaporization and condensation

b.  Freezing and melting

c.  Vaporization and melting

d.  Freezing and condensation

True or False: Write True or False on the line following the statement

17.  . Organic compounds are compounds that contain the element carbon ______

18.  A saturated hydrocarbon such as a saturated fat contains only single bonds_____

19.  Organic compounds such as sugars and starches are called proteins ______

20.  Organic compounds such as fats and oils are called lipids. ______

21.  Isomers are compounds with identical chemical formulas but different structures. ______

Listing:

22.  List the four types of biomolecules discussed in class below:

23.  List the three elements all the biomolecules are made up of below:

24.  The ratio of C:H:O in carbohydrates is always ______

25.  List one function of a lipid below:

26.  List one function of a nucleic acid below:

27.  List one function of a protein below:

28.  List one function of a carbohydrate below:

29. Fatty acid chains with MORE than one double or triple bond are called ______

Naming Hydrocarbons: (name the following hydrocarbons using the prefix chart): Remember:

All single bonds—ends with “ane”

A double bond ends with “ene”

A triple bond ends with “yne”

Prefixes: Prefix # carbon atoms

Meth 1

Eth 2

Prop 3

But 4

Pent 5

Hex 6

Hept 7

Oct 8

Non 9

Dec 10