Download World of Chemistry 102

World of Chemistry 102
First Exam
Name ______________________
1. (16 pts) Organic compounds are named according to the functional group each
contains. Draw a general structure for each of the following:
a. an alcohol
b. an acid
c. an amine
d. an aldehyde
e. a ketone
f. an ester
g. an ether
h. an amide
2. (3 pts) Name three elements other than carbon that are most often found in organic
molecules.
_____________
_______________
_______________
3. (3 pts ) What is characteristic of an unsaturated compound?
4. (3 pts) What is characteristic of an aromatic compound?
5. (3 pts) What is the difference between a condensation polymer and an addition
polymer?
6. (3 pts) What is the difference between a saturated hydrocarbon and an unsaturated
hydrocarbon?
7.(4 pts) How many bonds are there to each carbon in a non-ionic organic compound?
Draw a simple organic compound to illustrate your answer.
8.(4 pts) How many bonds are there to each nitrogen in a non-ionic organic compound?
Draw a simple organic compound to illustrate your answer.
9.(4 pts) How many bonds are there to each oxygen in a non-ionic organic compound?
Draw a simple organic compound to illustrate your answer.
10.(4 pts) Does the drug called LSD (a popular hallucinogen) act as an acid, a base,
neither, or both. Give a reason for your answer.
11.(2 pts)What substructure distinguishes an animal cell from a plant cell. It is the
substructure found in the plant cell but missing in the animal cell.
12.(5 pts)What three elements are found in a carbohydrate? What is the general
composition of a carbohydrate.
13. (14 pts) Name the monomer(s) in each of the following:
Starch_____________________________________________
Protein_____________________________________________
Polyethylene________________________________________
Nylon______________________________________________
Cellulose___________________________________________
DNA_______________________________________________
Polypeptide__________________________________________
14. (2 pts) What products are formed when a fat undergoes hydrolysis.
15. (4 pts) Describe the four levels of protein structure.
16. (2 pts) When an ester is hydrolyzed the products are:
17. (4 pts) Esters, carboxylic acids, amides, ketones, aldehydes, ethers, and amines
represent the functional groups in organic chemistry. Among this list of functional
groups select the one which is an example of:
A protein _______________________
A fat ___________________________
18. (4 pts) From the following list of sugars: glucose, sucrose, lactose, fructose,
galactose
a) name a monosaccharide ____________________
b) name a disaccharide _______________________
c) name an aldose ___________________________
d) name a ketose ____________________________
19. (6 pts)What is the difference in the structure of starch and the structure of cellulose?
How does this difference impact on the difference in their properties?
20. (6 pts) What are the two ways in which DNA nucleotides differ from RNA
nucleotides?
21. (4 pts) Describe the structure of DNA. What is responsible for its unique structure.