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2023 SEM 1 INORG & ORG CHEM > expt 1&2 post lab discussion > Flashcards

expt 1&2 post lab discussion Flashcards

1
Q

what is solubility

A

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

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2
Q

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

A

interactions between the compound and the solvent

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3
Q

what compounds are most soluble in water

A

ionic

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3
Q

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

A

water soluble compounds

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4
Q

water solubility for neutral molecules occurs only with

A

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

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4
Q

what compounds are soluble in nonpolar solvents

A

nonpolar compounds

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4
Q

water soluble compounds can form hydrogen bonds with…

A

water

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5
Q

an increase in molecular weight leads to an

A

increase in intermolecular forces in a solid
thus decreasing solubility

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6
Q

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

A

compounds having a branched chain

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7
Q

branching reduces the size or volume allowing the solvent to…

A

dissolve easily

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8
Q

a compound’s solubility can be used as …

A

a preliminary test

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9
Q

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

A

determining the identity of an organic compound

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10
Q

common solvents used in solubility tests

A

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

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11
Q

what are saturated hydrocarbons

A

carbon - carbon single bond

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12
Q

what are unsaturated hydrocarbons

A

carbon-carbon doublebonds

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13
Q

what are the 2 unsaturated hydrocarbons

A

alkynes
alkenes

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14
Q

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

A

hexane
cyclohexane
toluene
tert-butyl chloride

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15
Q

what color is the bromine water

A

orange-red or
red-brown

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16
Q

what test must be done under the fume

A

bromine test

17
Q

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

A

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

18
Q

bromine test, test for

A

unsaturated hydrocarbons

19
Q

what is the positive result of bromine test

A

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

20
Q

baeyer’s test oxidation reaction test for

A

unsaturated hydrocarbons

21
Q

positive results of baeyer’s test oxidation reaction test

A

disappearance of purple color in solution and formation of brown precipitate

22
Q

ethanolic silver nitrate test for

A

2 degree and 3 degree of alkyl halides

23
Q

what is the positive result of ethanolic silver nitrate test

A

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

24
Q

what is the reagents used for ethanolic silver nitrate test

A

0.1 M silver nitrate in ethanol

25
Q

what is the reagents used for baeyer’s test

A

alkaline KMnO4
purple-colored solution
strong oxidizing reagent

26
Q

s1 compounds

A

arylsulfonic compounds

27
Q

s2 compounds

A

amine hydrochlorides
salts of organic compounds
amino acids

28
Q

strong organic compounds

A

a1 compounds

29
Q

weak organic compound

A

a2 compounds

30
Q

what compounds have carboxylic acids with more than 6 carbons

A

a1

31
Q

which compound has nitrogen compounds with hydrogens

A

a2

32
Q

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

A

M compounds

33
Q

B compounds

A

aliphatic amines with eight or more carbons
anilines

34
Q

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

A

N compounds

35
Q

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

A

I compounds

36
Q

examples of s1

A

acetone
ethanol

37
Q

examples of s2

A

sucrose

38
Q

examples of a1

A

benzoic acid

39
Q

examples of a2

A

phenol

40
Q

examples of B

A

aniline

41
Q

examples of M

A

benzamide

42
Q

examples of N

A

benzaldehyde
benzyl alcohol

43
Q

examples of I

A

tert butyl alcohol
toluene
hexane

2023 SEM 1 INORG & ORG CHEM (22 decks)

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