Question

____ 1. The diagram below represents serine, a polar, uncharged amino acid. Which functional group gives serine its
distinct property?

a. H3
b. CH2OH
c. –H
d. COO–

COO HJN-C-H. CH, OH

____ 2. The monomers shown below are monomers for which of the following natural polymers?

a. polysaccharides
b. plastics
c. DNA
d. proteins

____ 3. Which of the following processes illustrates the production of a protein?
a. specific code for amino acids --> amino acid chain --> gene --> DNA --> specific protein chain
b. DNA --> gene --> specific code for amino acids --> amino acid chain --> specific protein chain
c. DNA --> gene --> amino acid chain --> specific code for amino acids --> specific protein chain
d. specific code for amino acids --> amino acid chain--> DNA --> gene --> specific protein chain

2. Describe how it is possible to have a vast number of proteins that can perform different biological functions.

____ 3. In a hydration reaction, an alkene is converted to what type of compound?
a. an amide
b. an alkyne
c. an alcohol
d. an aldehyde

____ 4. Hydrohalogenation involves the reaction of an alkene with which of the following?
a. water
b. a hydrogen halide
c. a halogen
d. hydrogen

____ 5. What organic class does the following molecule belong to?

a. esters
b. aldehydes
c. carboxylic acids
d. ketones

____ 6. What type of compound is propanal?
a. a thiol
b. an amine
c. a carboxylic acid
d. an aldehyde

____ 7. Many alcohols are made by the addition reaction of what two types of compounds?
a. alkanes and alkenes
b. water and alkenes
c. esters and ethers
d. water and alkanes

____ 8. Which diagram represents the compound 4-methyl cyclopentene?
a.

b.

c.

d.

____ 9. In a hydrocarbon compound, what is a group that replaces a hydrogen atom called?
a. substituent group
b. isomer group
c. halogen group
d. alkyl group

____ 10. What is the least amount of carbons that are needed to form cycloalkanes?
a. 1
b. 3
c. 2
d. 6

____ 11. What are the properties of an aromatic hydrocarbon?
a. non-polar unless they contain an electronegative substituent
b. usually liquid at room temperatures
c. insoluble in water
d. all of the above

____ 12. What type of compound is the following structure?

a. ether
b. alcohol
c. ester
d. carboxylic acid

Indicate whether the statement is true or false. If false, change the identified word or phrase to make the statement true.

____ 13. The carbonyl group consists of a carbon atom that is double-bonded to an oxygen atom. ________________
____ 14. The product of a hydrogenation reaction of an aldehyde or a ketone is an ester. ________________
____ 15. Adding potassium permanganate to a tertiary alcohol cannot readily form a product. ________________
____ 16. A phenyl group is a benzene ring that has lost an oxygen atom. ________________
____ 17. A halogenation reaction is when hydrogen atoms are added to a molecule in an addition reaction.________________
____ 18. When alcohols react together in a condensation reaction a molecule of carbon dioxide is produced.________________
____ 19. The following molecule is N-methylbutanamide. ________________

____ 20. The following molecule is a tertiary amine. ________________

____ 21. Structural isomers exhibit the same structures. ________________
____ 22. Alkyl halides are alkanes in which halogens take the place of a hydrogen atom (or multiple hydrogen atoms).________________

23. Amines have higher melting points and higher boiling points than their corresponding hydrocarbons
because of their carbon-nitrogen and carbon-hydrogen bonds. Amines can exist as a primary, secondary, and
tertiary amines, as seen below:

primary amine secondary amine tertiary amine
b.p. 49 °C b.p. 37 °C b.p. 3 °C

Why are their boiling points so different?

24. Draw the structural formula for the following compounds.
(a) butanoic acid
(b) 1,3-dibromopentane
(c) C8H18
(d) octa-2,4,6-triene

24. Name the following compounds.
(a)

(b)

(c)

25. Esters are found in some fruits and perfumes and give them their smell. Two esters that are listed below have
a pineapple and cherry smell. Provide the name of both compounds and describe, in general, how esters are
formed (from what two compounds and what type of reaction).

26. Give examples of two molecules that exhibit structural isomerism; the molecules must be an alkane
hydrocarbon with four or more carbons. Include the structural formula, line drawing and name of the
molecules.

27. Predict the following products from each of the substitution reactions (provide the chemical formula for the
products in your answer):

28. Complete the diagram below by answering the following:
(a) What are the product(s)?
(b) What are the names of the reactants and products?
(c) What type of reaction occurred?

Answer 1

③ which functional groups gives serine ils distinct poperty? 4 b. сну он | 2 lysine, alanine s leucine are the monomers do Proteins Aleashed Hydration reaction Alkene + Hgo c. an alcohet Hydro halogenation Alkene + hydrogen redwhalogenate Product 1b. a hydrogen halide

பக்கம் : E 56: = R&R 6 CH₂ CH2 Cha-Cha CH It's belongs te ketones d ketones/ 6 propanal = doan citz-cito - aldehyde 6 Alwhols are produced by adding water + alkone = Aleehof bo water and althones) . Structure of 4 methyl Cyclopentene d. a substituent group

Srbit : 21 form a egcloalkanes 3 Carbons. In are order to needed d. All of the above (1 CH₂ - CHg auto - C - o - CH CH2 - CH3 Ro-R c. Ester True Rop? False reaction . The product of a hydrogenation of an aldehyde or kelure is alcoher alt KMnog R AR No Reaction R2 is True

(6 False The A phenyl group is a benzeno ring, that has lost a hydrogen atom (17 False A hydrogenation reaction is when haarze atoms are added to a molecule in an addition reaction 1 false when alcohols react to gether in a condensation reaction a moleculee of water is produced (19 True False . The following mideale c a secontary amine (2) True

Tor: 11 (28 True - Primary amine bop 496 secondary tertiary 37c 1 30 • Boiling points depends cupon intermolecalas fore of attraction. • tertiary alectat amines there is no H attached to Natom so there is no H bond. . But in primary and secondary 2 and Hydrogen atom altached to No respectirely. primary has at Secondary has 14 Railing point to send tertiary has oh. 132) 3°

Structure butanvit Aud 13 dibromspentare I oH BY -BY Cg H 18 octane outa -2,4,6-triene tolt a) VA 5-ethyl hept - 3yre catechos benzere -1,2-dio 2-methyl butanal