expt 1&2 post lab discussion

Question 1

what is solubility

Answer 1

it is the amount of solute that dissolves in a given amount of solvent

Question 2

the solubility of a compound depends on the strength of the…

Answer 2

interactions between the compound and the solvent

Question 3

what compounds are most soluble in water

Answer 3

ionic

Question 3

what kind of compounds that can form a hydrogen bond with water

Answer 3

water soluble compounds

Question 4

water solubility for neutral molecules occurs only with

Answer 4

small polar molecules or
those with many O or N atoms that can hydrogen bond to water

Question 4

what compounds are soluble in nonpolar solvents

Answer 4

nonpolar compounds

Question 4

water soluble compounds can form hydrogen bonds with…

Answer 4

water

Question 5

an increase in molecular weight leads to an

Answer 5

increase in intermolecular forces in a solid
thus decreasing solubility

Question 6

which is more soluble:
corresponding straight chain compound or
compounds having a branched chain

Answer 6

compounds having a branched chain

Question 7

branching reduces the size or volume allowing the solvent to…

Answer 7

dissolve easily

Question 8

a compound’s solubility can be used as …

Answer 8

a preliminary test

Question 9

a compound’s solubility can be used as a preliminary test for…

Answer 9

determining the identity of an organic compound

Question 10

common solvents used in solubility tests

Answer 10

distilled water
5 percent NaOH
5 percent NaHCO3
5 percent HCI
cold concentrated H2SO4
diethyl ether

Question 11

what are saturated hydrocarbons

Answer 11

carbon - carbon single bond

Question 12

what are unsaturated hydrocarbons

Answer 12

carbon-carbon doublebonds

Question 13

what are the 2 unsaturated hydrocarbons

Answer 13

alkynes
alkenes

Question 14

samples used in the experiment to find the reactions of hydrocarbons and alkyl halides

Answer 14

hexane
cyclohexane
toluene
tert-butyl chloride

Question 15

what color is the bromine water

Answer 15

orange-red or
red-brown

Question 16

what test must be done under the fume

Answer 16

bromine test

Question 17

why do we have to test bromine test under the fume hood

Answer 17

toxic and corrosive
harmful if inhaled
causer respiratory tract irritation and possible hurts
may cause digestive tracts irritation (with nausea, vomiting and diarrhea)

Question 18

bromine test, test for

Answer 18

unsaturated hydrocarbons

Question 19

what is the positive result of bromine test

Answer 19

disappearance of orange-red color in solution and
decolorized bromine water

Question 20

baeyer’s test oxidation reaction test for

Answer 20

unsaturated hydrocarbons

Question 21

positive results of baeyer’s test oxidation reaction test

Answer 21

disappearance of purple color in solution and formation of brown precipitate

Question 22

ethanolic silver nitrate test for

Answer 22

2 degree and 3 degree of alkyl halides

Question 23

what is the positive result of ethanolic silver nitrate test

Answer 23

white for silver chloride, pale yellow for silver bromide, and yellow for silver iodide

Question 24

what is the reagents used for ethanolic silver nitrate test

Answer 24

0.1 M silver nitrate in ethanol

Question 25

what is the reagents used for baeyer's test

Answer 25

alkaline KMnO4 purple-colored solution strong oxidizing reagent

Question 26

s1 compounds

Answer 26

arylsulfonic compounds

Question 27

s2 compounds

Answer 27

amine hydrochlorides salts of organic compounds amino acids

Question 28

strong organic compounds

Answer 28

a1 compounds

Question 29

weak organic compound

Answer 29

a2 compounds

Question 30

what compounds have carboxylic acids with more than 6 carbons

Answer 30

a1

Question 31

which compound has nitrogen compounds with hydrogens

Answer 31

a2

Question 32

miscellaneous neutral compounds containing nitrogen or sulfur and having more than 5 carbon atoms

Answer 32

M compounds

Question 33

B compounds

Answer 33

aliphatic amines with eight or more carbons anilines

Question 34

monofunctional alcohols, aldehydes, ketone, ester with more than 5 but fewer than 9 carbons

Answer 34

N compounds

Question 35

saturated compounds, haloalkanes, aryl halides, deactivated aromatic compounds, diaryl ethers

Answer 35

I compounds

Question 36

examples of s1

Answer 36

acetone ethanol

Question 37

examples of s2

Answer 37

sucrose

Question 38

examples of a1

Answer 38

benzoic acid

Question 39

examples of a2

Answer 39

phenol

Question 40

examples of B

Answer 40

aniline

Question 41

examples of M

Answer 41

benzamide

Question 42

examples of N

Answer 42

benzaldehyde benzyl alcohol

Question 43

examples of I

Answer 43

tert butyl alcohol toluene hexane