ORGCHEM

Question 1

The study of compounds that contain carbon.

Answer 1

Organic Chemistry

Question 2

Are all carbon compounds organic?

Answer 2

False

Question 3

Characteristics of sp3 (-ane)

Answer 3

Single bond, 4 sigma bond, 0 pi bond, Tetrahedral, 109.5°

Question 4

Characteristics of sp2 (-ene)

Answer 4

Double bond, 3 sigma bond, 1 pi bond, Planar, 120°

Question 5

Characteristics of sp (-yne)

Answer 5

Triple bond, 2 sigma bond, 2 pi bond, Linear, 180°

Question 6

R - R structure

Answer 6

Alkane

Question 7

R = R structure

Answer 7

Alkene

Question 8

R ≡ R structure

Answer 8

Alkyne

Question 9

R - OH structure

Answer 9

Alcohol

Question 10

RC=OH structure

Answer 10

Aldehyde

Question 11

RC=OR structure

Answer 11

Ketone

Question 12

RC=OOH structure

Answer 12

Carboxylic acids

Question 13

R - X structure

Answer 13

Alkyl halide

Question 14

R - O - R structure

Answer 14

Ether

Question 15

RC=OX structure

Answer 15

Acid halide

Question 16

RC=OOR

Answer 16

Ester

Question 17

RC=ONH2

Answer 17

Acid amide

Question 18

R - NH2

Answer 18

Amine

Question 19

No carbonyl group is found in _____.

Answer 19

Ether

Question 20

Which of the following is not an alipatic
hydrocarbon?
a. n-octane
b. propylene
c. n-tridecane
d. toluene

Answer 20

d. toluene

Question 21

Which of the following contains sp-hybridized
carbon?
a. C4H8
b. C3H6
c. C5H8
d. C6H12

Answer 21

c. C5H8

Question 22

R = R + H2 —> R - R

Answer 22

Hydrogenation of Alkene

Question 23

R - X + Mg –> R - Mg - X

Answer 23

Hydrolysis of Grignard reagents

Question 24

2R - X + 2Na –> R - R + 2NaX

Answer 24

Wurtz Reaction

Question 25

Addition of HX to ordinary alkenes, the hydrogen become attached to the carbon atom containing the most hydrogens, forming the more stable carbonium ion.

Answer 25

Markovnikov’s Rule

Question 26

If the addition of hydrogen bromide to alkenes is carried out in the presence of organic peroxides.

Answer 26

Anti-Markovnikov’s Rule

Question 27

Organic compounds that has similar physical and chemical properties with benzene

Answer 27

Aromatic Hydrocarbons

Question 28

Part of a molecule where most of its chemical reactions occur

Answer 28

Functional Group

Question 29

Which of the following molecules is unsaturated? a. C3H8 b. C5H10 c. CH3OH d. CH4

Answer 29

b. C5H10

Question 30

**REMEMBER** **Alkane & Alcohol** - Saturated Hydrocarbon **Alkene & Alkyne** - Unsaturated Hydrocarbon

Answer 30

OK

Question 31

When ethyl bromide is treated with sodium in dry ether, the product is a. propane b. methylpropane c. butane d. ethane

Answer 31

c. butane

Question 32

Alkenes are commonly prepared via elimination reaction, which of the following is NOT an elimination reaction? a. Dehydration of alcohol b. Dehalogenation of vicinal dihalide c. Dehydrohalogenation of alkyl halide d. Hydrogenation of alkynes

Answer 32

d. Hydrogenation of alkynes

Question 33

Hydrogenation of alkenes in the presence of a poisoned palladium catalyst produces a. alkane b. alkyl halide c. alkyne d. alcohol

Answer 33

a. alkane

Question 34

When 2-butyne undergoes ozonolysis, the main product is _______. a. carbon dioxide b. acetaldehyde c. acetic acid d. acetone

Answer 34

c. acetic acid

Question 35

How many isomers does xylene have? a. 1 b. 2 c. 3 d. 4

Answer 35

c. 3

Question 36

Which of the following straight-chain alkanes can be conveniently prepared by Wurtz reaction? a. heptadecane b. nonane c. icosane d. none of the above

Answer 36

c. icosane

Question 37

Friedel-Crafts acylation of benzene with acetyl chloride in AlCl3 yields a. chlorobenzene b. cumene c. acetophenone d. benzaldehyde

Answer 37

c. acetophenone

Question 38

Vinylbenzene is also known as _______ a. styrene b. cumene c. mesitylene d. durene

Answer 38

a. styrene

Question 39

Hydrocarbon derivatives used as a main ingredient in automobile antifreeze a. ethylene glycol b. isopropyl alcohol c. propylene d. toluene

Answer 39

a. ethylene glycol

Question 40

Reaction of alcohol and a carboxylic acid is known as ________ a. saponification b. nuetralization c. esterification d. epoxidation

Answer 40

c. esterification

Question 41

No carbonyl group is found in a. aldehyde b. ketone c. ester d. epoxide

Answer 41

d. epoxide (epoxide is ether)

Question 42

Carboxylic acids are reduced by lithium aluminum hydride to the corresponding _________. a. primary alcohols b. secondary alcohols c. tertiary alcohols d. All of these

Answer 42

a. primary alcohols