FINALS GROUP 5

Question 1

A colorless gas with a characteristic pungent smell. It dissolves in water to give a strongly alkaline solution

Answer 1

Ammonia

Question 2

Any of a class of basic organic compounds derived from ammonia by replacement of hydrogen with one or more monovalent hydrocarbon radicals

Answer 2

Amines

Question 3

Any organic compounds with a carbonyl group bonded to a nitrogen atom

Answer 3

Amides

Question 4

A nonmetallic chemical elements with atomic number 7 that under standard conditions is a colorless, odorless, inert gas, that constitutes 78 percent of the Earth’s atmosphere

Answer 4

Nitrogen

Question 5

The smallest part of a substance that cannot be broken down chemically

Answer 5

Atomic

Question 6

Nitrogen came from the greek word ___ (latin) and ___ (greek) which means

Genes (greek) means

Answer 6

Nitrum
Nitron
Native soda
Forming

Question 7

5th abundant element in the universe

Makes up 78% of earths atmosphere (approx. 4,000 trillion tons)

Answer 7

Nitrogen

Question 8

Obtained through fractional distillation from liquefied air

Answer 8

Nitrogen

Question 9

Cannot support living forms and combustion on its own

Answer 9

Nitrogen

Question 10

Amines contain ___

Answer 10

Carbon hydrogen bonds

Question 11

Larger amines are ___ while methylamine and ethylamine are ___ at room temperature

Answer 11

Liquids
Gases

Question 12

___ amines are water soluble and ___ one are not so soluble

Answer 12

Smaller
Larger

Question 13

Amines are found or used in ___, ___ and common ___

Answer 13

Dyes
Drugs
Animal toxins

Question 14

Amines generally have a __ or __ as it is mostly formed during breakdown of animal cell proteins

Answer 14

Bad
Pungent odor

Question 15

___ is an inorganic nitrogen containing chemical compound.

Answer 15

Ammonia

Question 16

Ammonia gas which is toxic can be dissolved in water to form ___ that is commonly used in household and industrial cleaning products

Answer 16

Aqueous ammonia

Question 17

Good smelling Amines are generally ___ some are potent ___ like ___

Answer 17

Toxic
Carcinogens
B-naphthylamine

Question 18

The structure of ___ is organic compounds with a carbonyl group bonded to a nitrogen atom

Answer 18

Amides

Question 19

One alkyl or aryl group attached to nitrogen (E.g. ethanamide)

Answer 19

Primary amides

Question 20

Two alkyl or aryl groups attached to nitrogen
(E.g., N-methyl ethanamide)

Answer 20

Secondary amides

Question 21

Three groups attached to nitrogen (N,N-dimethylrthanamide)

Answer 21

Tertiary amides

Question 22

PROPERTIES OF AMIDES
1. water soluble due to hydrogen bonding

2. Less water-soluble; tend to be solid at room temperature
   - Have a NEUTRAL ODOR, unlike amines
3. More stable than amines; they resist hydrolysis better under normal conditions

Answer 22

Smaller amides
Larger amides
Stability

Question 23

EXAMPLES

1. (CH3CONH2) used as a solvent, in plasticizer and in the synthesis of organic compounds
2. (HCONH2) Used in the preparation of adhesives and as a solvent for chemical reactions
3. ((DMF) A widely used solvent in organic chemistry, especially in polymerization Processes

Answer 23

Acetamide
Formamide
N,N-Dimethylformamide

Question 24

___ in proteins are amides, linking amino acids together
- Used in drugs formulations, as solvents and in the synthesis of medicine

Answer 24

Peptide bonds

Question 25

A synthetic polymer, contains amide bonds in its structure - used in some pesticide formulations

Answer 25

Nylon

Question 26

Organic compounds containing a ring structure with at least one atom other than carbon (nitrogen, oxygen, sulfur)

Answer 26

Heterocyclic compounds

Question 27

TYPES OF HETEROCYCLIC COMPOUNDS These compounds have a ring with alternating double bonds (aromaticity) and contain heteroatoms

Answer 27

Aromatic heterocycles

Question 28

TYPES OF HETEROCYCLIC COMPOUNDS (C5H5N) Nitrogen containing ring, used in herbicides, insecticide and as a solvent

Answer 28

Pyridine

Question 29

TYPES OF HETEROCYCLIC COMPOUNDS (C4H40) oxygen containing ring, used in the synthesis of drugs and in the production of plastics

Answer 29

Furan

Question 30

TYPES OF HETEROCYCLIC COMPOUNDS (C3H3NS) contains both sulfur and nitrogen; found in some vitamins and medications

Answer 30

Thiazole

Question 31

TYPES OF HETEROCYCLIC COMPOUNDS These compounds do not have aromaticity but contain heteroatoms in their ring structure

Answer 31

Non-aromatic heterocycles

Question 32

TYPES OF HETEROCYCLIC COMPOUNDS (C5H11N) A nitrogen-containing compound found in alkaloids; used in the production of pesticides and pharmaceuticals

Answer 32

Piperidine

Question 33

TYPES OF HETEROCYCLIC COMPOUNDS (C4H80) oxygen containing compound used as a solvent in chemical reactions

Answer 33

Tetrahydrofuran

Question 34

TYPES OF HETEROCYCLIC COMPOUNDS (C4H9N0) Nitrogen and oxygen containing used in chemical industries and as a solvent

Answer 34

Morpholine

Question 35

PROPERTIES OF HETEROCYCLIC COMPOUNDS Often have distinctive, often pleasant odors and are stable under various condition

Answer 35

Aromatic heterocycles

Question 36

PROPERTIES OF HETEROCYCLIC COMPOUNDS Typically more reactive than aromatic ones and may participate in a wide range of chemical reactions

Answer 36

Non-aromatic heterocycles

Question 37

PROPERTIES OF HETEROCYCLIC COMPOUNDS Many heterocycles are soluble in water and organic solvent, which makes them versatile in both biological industrial application

Answer 37

Solubility

Question 38

Heterocyclic compounds like ___ and ___ are used in herbicides and insecticide

Answer 38

Pyridine Thiazole

Question 39

Some heterocycles (Indole and pyrrole) are used in the production of ___ and ___

Answer 39

Dyes Pigment

Question 40

Vitamins, hormones and other biologically significant molecules often contain _____ (Vitamin b12, nicotine)

Answer 40

Heterocyclic structure