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XIO > Chem 13-3 > Flashcards

Chem 13-3 Flashcards

1
Q

alkyene + 1 mole H =

A

alkane

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2
Q

alkyne + 2 moles H =

A

alkane

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3
Q

propene is also called..

A

propylene

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4
Q

vicinal dihalide

A

when 2 halides (Br and Br) are attached to 2 carbons side by side in the products side

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5
Q

solvent with bromine is (bro, clear or chill)

A

CCl4 or CH2Cl2

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6
Q

it’s usually trans (bro trans)

A

bromine

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7
Q

with cyclic alkenes, the reaction is usually…

A

stereospecific, or trans

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8
Q

how to tell if you have a symmetrical alkene just by looking at the formula

A

CH3 - CH2 - CH = CH2. Look at the hydrogens on either side directly next to the = sign. If they are different, it’s unsymmetrical. The CH = CH2 (above) is unsymmetrical bc it’s 1 hydrogen and 2 hydrogens.

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9
Q

marcovnikov’s law

A

in unsymmetrical alkene, always add the hydrogen to the carbon w/ more hydrogens, and halogens to the carbon with less hydrogens. rich get richer

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10
Q

ethylene

A

H2C = CH2 - polyethylene

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11
Q

propylene

A

H2C = CH - CH3 polyproplyne

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12
Q

vinyl chloride

A

H2C=CH-Cl poly (vinyl chloride)

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13
Q

styrene (2 stys)

A

H2C = CH (with benzene attached) polystyrene

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14
Q

styrene

A

look it up

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15
Q

tetraflouroethylene

A

F2C=CF2

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16
Q

resonance

A

the true structure of the molecule can have double bonds in different spots, it’s 50/50. ie - benzene

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17
Q

phenol

A

benzene w/ OH at side chain

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18
Q

toluene

A

benzene w/ CH3 at side chain

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19
Q

aniline

A

benzene w/ NH2 at side chain

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20
Q

naming benzene

A

1) ortho 2) meta 3) para

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21
Q

ortho - O

A

side chains at 1 and 2

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22
Q

meta - m-

A

side chains at 1,3

23
Q

para - p

A

side chains at 1,4

24
Q

use ortho, meta and para when..

A

there are 2 identical groups on a benzene or if there is a toulene or aniline group

25
Q

most common reaction with alkenes

A

addition

26
Q

how many H in toluene?

A

8

27
Q

how many H in toluene?

A

8

28
Q

structural isomers are constitutional isomers

A

the formula and parent are the same, but the connections are different ie. substituents are on different carbons or one has a double bond and the other doesn’t, etc.

29
Q

naming benzenes (dentist first)

A

dentist first, then alphabetical 1,2; 1,3; 1;4

30
Q

toulene

A

benzene w/ methyl attached

31
Q

phenol

A

easy alcohol

32
Q

aniline (Ana is nitro)

A

benzene w/ NH2 attached

33
Q

don’t add a number when naming benzenes if…

A

there is only one substiuent - ie - bromobenzene

34
Q

if a benzene IS a substituent, it’s called…

A

phenyl - ie 3-phenylheptane

35
Q

if benzene only has 1 branch, don’t…

A

add a number

36
Q

benzene with a branch of NO2 is called…

A

nitrobenzene

37
Q

benzene as a side chain - nomenclature

A

phenyl

38
Q

if you use aniline, touleline, etc…

A

you don’t need benzene at the end. These replace benzene.

39
Q

only use meta, para, or ortho IF

A

there are 2 of the same molecule branches or it’s tourline, alaline, phenol

40
Q

STOP adding the number of the double bond on

A

cycloalkenes and cycloalkynes if there aren’t any substituents

41
Q

also STOP adding the number to benzenes if..

A

there is only one substituent

42
Q

IF she asks on exam - when bromine is added to a cycloalkene, it’s almost always cis or trans?

A

trans

43
Q

anti-addition

A

happens with cyclic alkenes - when Br (or something else is added) the product is trans, not cis

44
Q

if adding hydrohalogen using H202, go…(hydro and water are anti)

A

anti-marovnikof’s rule

45
Q

if the order of the bond is different, ie 1 and 2, but everything else is the same, they are..

A

constitutional isomers

46
Q

stereoisomers have the same…

A

connectivity - same bonds

47
Q

o-xylene

A

benzene w/ methyl group on 1 and 2

48
Q

m-xylene

A

benzene w/ methyl group on 1 and 3

49
Q

p-xylene

A

benzene w/ methyl group on 1 and 4

50
Q

these do not do addition reactions

A

benzene, only substitution and replacement

51
Q

nitration reaction

A

benzene + HNO3

52
Q

halogenation of aromatic compounds

A

benzene + Cl or Br

53
Q

sulfonication (soh)

A

benzene + sulfonic acid group (SO3H)

XIO (393 decks)

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