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81 Cards in this Set

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  • Back
The most important chemical use for alkanes relates to their reaction with________
Oxygen
Why CFCs have been phased out and replaced by HFCs
Because they have been found to be bad for the environment
What is meant by an octane rating of 90?
The gasoline will create a performance like that of 90% isooctane
Fractional distillation, catalytic cracking, and catalytic reforming are all processes in producing gasoline from crude oil. Explain.
Fractional distillation- separates components based on boiling points.
Catalytic Cracking- makes chains smaller
Catalytic reforming- turns chains into ring structures to increase gasoline performance
Why is MTBE added to gasoline?
As octane booster
What is a general physical property of alkanes referring to solubility?
Low solubility in water
Which is true?
a. Hexane has a higher bp than heptane
b. pentane has a higher bp than 2-methyl pentane
c. butane has a higher bp than cyclobutane
B. pentane has a higher bp than 2 methylpentane
How many monochlorinated products would come from chlorination of cyclopentane?
1 (one)
Which contains chlorine in addition to C and H?
a. polystyrene
b. PVC
c. Teflon
d. polyethylene
B. PVC
What do you call a benzene ring if it is used as a functional group?
phenyl group
Does benzene undergo substitution, addition, both, or neither?
only substitution
With catalyst alcl3, which reactant is needed to convert benzene to ethylbenzene?
a. c-c
b. c-c-cl
c.c-c-oh
d. c=c
B. c-c-cl
The building block for terpene compounds is________
5-carbon isoprene unit
c=c-c-c + h2o -->
c
a. alkane
b. alcohol
c. aromatic
d. mark. rule not needed
b. alcohol
c-c=c-c + HCl -->
a. alkane
b. alkene
c. aromatic
a. alkane
C=C + 2H2 -->
a. alkane
b. alkene
c. aromatic
a. alkane
c=c-c-c + Br2 -->
Br Br
C--C--C--C
C-C-C=C + H2 -->Ni
C-C-C-C
C-C=C + H2O -->H+
C--C--C
OH
C-C-C=C + HCl -->
C
C
C-C-C-C
Cl
Give a use for teflon
bakeware
Give a use for polyethylene
plastic bottles
Give a use for acetylene
fuel for torches
Give a use for p-dichlorobenzene
moth balls
Hydrocarbons are soluble or insoluble in waer?
insoluble
Hydrocarbons are more or less dense than water?
less dense
? + H2O --> cyclohexanol
cyclohexene
C
? + HBr --> C-C-C-C=C
C Br
C
C-C-C-C(TRIPLEBOND)C
C
When comparing an alcohol and ether of similar mass...
...alcohol will have higher BP
Which has lowest solubility in water?
a. c-c-c-oh
b. c-c-oh
c. c-o-c-c
d. c-c-c
c
d. branched alkane
thiols contain which element?
sulfur
disulfide bonds important in:
a. carbs
b. proteins
c. polymers
d. ethers
b. proteins
phenol is found in...
germicide
propanethiol is found in...
garlic
diethyl ether is found in...
anesthetic
MTB ether is an...
octane booster
3 C-C-C-C-OH + PCl3 -->
C
3C-C-C-C-Cl + H3PO3
C
C
C-C-C-C-C- + 180 h+-->
OH
C-C-C=C-C + H2O
C
C-C-C-C-C=O + LiAlH4-->
C-C-C-C-C-OH
2 C-C-C-OH + H2SO4 140-->
C-C-C-O-C-C-C
How is methanol toxic?
gets converted to formaldehyde
How is ethylene glycol toxic?
converted to oxalyc acid
How is ethanol toxic?
converts to acetaldehyde. invasive to liver.
If alcohol is 50 proof, what is its alcohol content?
25%
Define denatured
alcohol has been rendered unfit to drink
Which of the following is capable of hydrogen bonding to water?
a. propanol
b. propanal
c. propanone
d. ethyl methyl ether
all of them
Do ketones undergo oxidation?
no
Which gives positive Tollens' test?
aldehydes
which of the following can be synthesized from an aldehyde by reduction?
a. 2-butanol
b. 2-methyl-1-propanol
c. 2-methyl-2-propanol
d. 3-pentanol
b. 2-methyl-1-propanol
Acetals have:
a. one OC and one OH group
b. 2 OH groups
c. 2 OC groups
c
the rxn of the aldehyde group and the #5 OH group in a glucose molecule is an example of what type of reaction?
hemiacetal
arrange following in order of increasing BP:
1. butane 2. 2-butanol 3. butanal
1, 3, 2
Use for benzaldehyde
almond flavoring
C-C-C-C=O +Ag+ -->(tollen's test)
C-C-C-C=O
OH
C-C-C=O + C-OH -->H+
C-C-C-O-C
OH
Draw reaction for aspirin
check handout
draw reaction for soap
check handout
draw reaction for oil of wintergreen
check handout
How does the reaction for making a polyester differ from making a simple ester?
Polyesters must be made with an alcohol with more than one functional group and an acid with more than one functional group
Where would you find butyric acid?
vinegar
Where would you find oxalic acid?
spinach
Where would you find acetic acid?
aspirin
Where would you find a polyfunctional carboxylic acid?
PET- artificial heart
Where would you find an ester?
flavoring agents
Explain why carboxylic acids have higher BP than alcohols
carb. acids ionize completely; alcohol bonds aren't as strong so don't ionize completely
C-C-C-Cl +C-NH2-->
C-C-C-N-H + HCl
C
C-C-N-C + HCl -->
C
C-C-NH+-C-Cl-
C
Give a use for Nomex
Flame-resistant clothing
Give a use for Kevlar
Bullet-proof vest
Give a use for barbiturates
sedatives
Give a use for methadone
pain reliever
quinine is used for_____
an antimalarial
Low levels of this are implicated in mental depression
serotonin
what is amphetamine used for?
suppressing appetite
what is responsible for symptoms of hay fever?
histamine
which alkaloid is used as a cough suppressant?
codeine
a zero serotonin uptake drug is_______
Prozac
a hormone involved in metabolism and energy production
adrenaline
a poly acid and a poly amine make:__________
nylon
O
C-C-C-O-H + NH3 -->
O
C-C-C-N-H + H2O
H
O
C-C-OH + C-C-NH2 -->
O
C-C-N-C-C + H2O