Chapter 8

Question 1

Classification of alcohols

Answer 1

Alcohol are Either
PRIMARY (1°),
SECONDARY (2°)
TERTIARY (3°)

Question 2

Also known as grain alcohol

Answer 2

Ethanol

Question 3

Is used as the fuel additive gasohol , the alcohol in alcoholic beverages, and an important laboratory and industrial solvents

Answer 3

Ethanol

Question 4

Is used both as solvents and as a starting material for production of formaldehyde and acetic acid.

Answer 4

Methanol

Question 5

Methanol came from the word wood in the absence of air (destructive destillations)

Answer 5

Wood alcohol

Question 6

Is used as radiator antifreeze and as a solvents

Answer 6

Denatured alcohol

Question 7

A complicated looking steroid alcohol, has been implicated as a causitive agent in heart disease

Answer 7

Cholesterol

Question 8

Is a biologically important polyunsaturated alcohol

Answer 8

Vitamin A

Question 9

Are used as local anesthetics

Answer 9

Benzyl alcohol and o- hydroxybenzyl alcohol

Question 10

Many alcohol have distinctive odors and flavors and are found naturally in fruits and flowers.

Answer 10

Ilang- ilang and jasmine oil

Question 11

Are used commercially in the manufacture of polymers, especially the polyesters.

Answer 11

Diols such as ethylene glycol and propylene glycol

Question 12

Is used extensively as a wetting agent (a substance that absorbs moisture) and in preparation of toothpaste

Answer 12

Glycerol

Question 13

Small amount of low weight are added to natural gas to serve as an easily detectable warning in case of leaks.

Answer 13

Thiols

Question 14

Are biochemically important because they are oxidized with mild reagent to disulfides which are found in insulin and proteins

Answer 14

Thiols

Question 15

(o-,m-, p-cresol) are found in coal tar. Serve as important intermidediates in the industrial synthesis of products as diverse as adhesive and antiseptic

Answer 15

Phenol and cresols

Question 16

is the main allergenic component of poison oak and ivy oil.

Answer 16

URUSHIOL

Question 17

Is the punget principal from the fruit of various species of peppers. Contains both a phenol and a phenol ether

Answer 17

Capsaicin

Question 18

Used as flavoring agent and as a liniment

Answer 18

Methyl salicylate occurs in oil wintergreen

Question 19

Is used as wood preservative

Answer 19

Pentachlorophenol

Question 20

Is an antiseptic

Answer 20

Hexachlorophene

Question 21

Is a natural antioxidant found in fish oil, peanut oil, wheat germ, and leafy greens

Answer 21

Vit E or a -tacopherol

Question 22

Was the first inhalation anesthetic used in general surgery (often called ether)

Answer 22

Diethyl ether

Question 23

Is a pleasant smelling aromatic ether used in perfumery

Answer 23

Anisole

Question 24

Is a cylic ether often used as a solvents

Answer 24

Tetrahydrofuran (THF)

Question 25

Both the C-O and O-H bonds of an alcohol are

Answer 25

Polar covalent

Question 26

Have higher boiling points than alkanes, alkene, alkynes of similar molecular weight

Answer 26

Alcohol