Alcohols

Question 1

Are alcohols capable of intermolecular hydrogen bonding?

Answer 1

Yes

Question 2

Do alcohols have stronger intermolecular forces than alkanes and alkenes?

Answer 2

Yes

Question 3

Are alcohols soluble in organic solvents?

Answer 3

Yes

Question 4

Low molecular weight alcohols (6 C’s or less)
are _______ in water.

Answer 4

Soluble

Question 5

Higher molecular weight alcohols (more than 6 C atoms) is ________ in water.

Answer 5

Insoluble

Question 6

Compounds with two OH groups are called ____ or glycols.

Answer 6

Diols

Question 7

Compounds with two OH groups are called diols or _______.

Answer 7

Glycols

Question 8

Compounds with three OH groups are called?

Answer 8

Triols

Question 9

Is a useful solvent and a starting material for plastics, but it is toxic due to its oxidation in the liver.

Answer 9

Methanol (CH3OH)

Question 10

Is the alcohol present in alcoholic beverages, and it is formed from the fermentation of carbohydrate chains.

Answer 10

Ethanol (CH3CH2OH)

Question 11

Is the major component of rubbing alcohol, which is used to sterilize skin and medical instruments.

Answer 11

2-Propanol (CH3)2CHOH), Isopropyl Alcohol

Question 12

This diol is the major component of antifreeze; it is sweet tasting but extremely toxic.

Answer 12

Ethylene glycol (HOCH2CH2OH)

Question 13

This triol is used in lotions, liquid soap, and shaving cream; it is also sweet tasting, but nontoxic, so it can be used in food products.

Answer 13

Glycerol [(HOCH2)2CHOH]

Question 14

Are very long, alcohol-containing, and naturally occurring polymers, synthesized primarily by plants.

Answer 14

Carbohydrates

Question 15

The main carbohydrate in seeds and the roots of plants, and it can be metabolized by humans into glucose.

Answer 15

Starch

Question 16

The major component of wood, cotton, and flax, gives rigidity to plants, however it cannot be metabolized by humans.

Answer 16

Cellulose

Question 17

Oxidation results in a/an ________ in the number of C-O bonds.

Answer 17

Increase

Question 18

Oxidation results in a/an ________ in the number of C-H bonds.

Answer 18

Decrease

Question 19

Can tertiary alcohols be oxidized?

Answer 19

No

Question 20

Ethanol is converted to acetaldehyde by _______ _____________ and subsequently to acetate by aldehyde dehydrogenase (ALDH).

Answer 20

Alcohol Dehydrogenase (ADH)

Question 21

Ethanol is converted to acetaldehyde by alcohol dehydrogenase (ADH) and subsequently to acetate by ________ _____________ (ALDH).

Answer 21

Aldehyde Dehydrogenase (ALDH)

Question 22

Phenols will give a ___ color on the litmus test.

Answer 22

Red (Weak Acid)

Question 23

Phenol reacts with ferric ions to form ______ colored complex.

Answer 23

Violet

Question 24

Are phenols weak or strong acids?

Answer 24

Weak Acids

Question 25

Will phenols react with bases?

Answer 25

Yes

Question 26

If phenol is reacted with NaOH, it is completely converted to the _________ ion, which is soluble in water because it is charged.

Answer 26

Phenoxide

Question 27

Is phenol very soluble in water?

Answer 27

No

Question 28

They contain an SH (sulfhydryl) group.

Answer 28

Thiols

Question 29

An alcohol contains an O atom with a bent shape like H2O, with a bond angle of?

Answer 29

109.5 degrees

Question 30

Consuming more ethanol than can be metabolized leads to a buildup of ____________, which is toxic.

Answer 30

Acetaldehyde

Question 31

The reaction mechanism involved with tertiary and secondary alcohols is?

Answer 31

SN1

Question 32

Methanol is oxidized into formaldehyde and then to formic acid by the same enzymes as?

Answer 32

Ethanol

Question 33

Millon’s reagent is an analytical reagent used to detect the presence of soluble ________.

Answer 33

Proteins