LEC MOD 8

Question 1

is an organic compound which has a carboxyl group as its functional group

Answer 1

Carboxylic acid

Question 2

Simplest carboxylic acid- only a hydrogen is attached to the carboxyl group

Answer 2

Formic acid

Question 3

simplest aromatic carboxylic acid

Answer 3

Benzoic acid- benzene ring + carboxyl group

Question 4

an organic compound that can be synthesized from or converted into a carboxylic acid

Answer 4

Carboxylic Acid Derivative

Question 5

carbonyl group attached to alkyl group is called?

Answer 5

Acyl group

Question 6

contains an acyl group bonded directly to hydrogen atom or another carbon atom- nonpolar bond

Answer 6

Carbonyl compound

Question 7

contains an acyl group bonded directly to oxygen, nitrogen, halogen atom- polar bond

Answer 7

Acyl compound

Question 8

NOMENCLATURE FOR CARBOXYLIC ACIDS

Answer 8

1: parent chain
2: name the alakne
3: suffix- -oic
4: substituents
5: if it’s a cyclic form suffix is carboxylic acid

Question 9

caboxylic acids are proton donors producing?

Answer 9

Carboxylate ani0ons

Question 10

acidity of carboxylic acids

Answer 10

Weak acid

Question 11

carboxylic acids reacts with bases to form?

Answer 11

Water soluble salts

Question 12

is an organic compound derived from Carboxylic acid in which the - OH art of carboxyl group has been replacced by an alkoxy group

Answer 12

Ester

Question 13

reaction of a carboxylic acid with an alcohol or phenol to produce an ester

Answer 13

Esterification reaction

Question 14

naming of ester:

Answer 14

1: name alkyl group attached to oxygen
2: name alkyl group attached to ester
3: replace ic to ate

Question 15

Physical -properties of COOH and COOR

Answer 15

polar compounds
COOH only can undergo intermolecular hydrogen bondingg

COOH has higher BP than COOR

Question 16

complete opposite of esterification

Answer 16

Ester hydrolysis

Question 17

COOH in skin care products; these acids work by removing the outer and older layer of skin cells, revealing the healthier looking new ce;ls underneath

Answer 17

Alpha hydroxy acids

Question 18

pain relievers that contain carboxylic acid

Answer 18

aspirin, ibuprofen

Question 19

common naturally occuring esters, contain three ester groups, each with a long C chain. lipids, water-insolouble compounds, present in fats and oils

Answer 19

Triacylglycerols

Question 20

a colorless inorganic compound of nitrogen and hydrogen, linear, hydronitroggen, pungent odor

Answer 20

Ammonia NH3

Question 21

organic derivative of ammonia in which one or more alkyl, cycloalkyl, or aril group attached to nitrogen

Answer 21

Amine

Question 22

classification of amines:

Answer 22

based on alkyl group bonded to nitrogen atom
primary
secondary
tertiary

Question 23

nomenclature of amine common system

Answer 23

1: -amine
2:alphabetical
3: di-, tri- prefixes
example: CH3NH2 Methylamine
IUPAC: 1-Methanamine

Question 24

Nomenclature of amines IUPAC:

Answer 24

1: parent chain attached to N
2: changing e to amine
3: inidcate the number of C arom attached to N
4: substituents

Question 25

classification of amides:

Answer 25

depends on substitution of hydrogen to Alkyl group primary-unsubstitued secondary-monosubstitued tertiary- disubstitued

Question 26

derivatives of carboxylic acids

Answer 26

Amides

Question 27

COOH + Amine =?

Answer 27

Amide

Question 28

Nomenclature of Amide:

Answer 28

1: determine carboxylic acid 2: change oic to amide 3: substituents

Question 29

ammonia is an amine with what kind of odor?

Answer 29

Strong/sharp odor

Question 30

Dimethylamine with Low Molecular weight has an odor of

Answer 30

Less sharp odor than ammonia

Question 31

Dimethylamine with High Molecular weight has an odor of

Answer 31

raw fish odor

Question 32

Acetamide in pure form has an odor of?

Answer 32

odorless

Question 33

Accetamide with impurity of methyl ethanamide has an odor of

Answer 33

Dead mouse like odor

Question 34

solubility of amine and amides:

Answer 34

Soluble in organic solvents and water LMW= soluble in H2O= few carbons >6 HMW= insoluble primary and secondary amides are less soluble than amines tertiary amides has low solubility in H2O