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Test your basic knowledge |
MCAT Organic Chemistry
Start Test
Study First
Subjects
:
mcat
,
science
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Kmno4
halogenation
nonbonded strain
Vinyl
potassium permanganate
2. Palladium or barium sulfate (BaSO4) with quinoline. occur on metal surface - make cis.
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3. Carbon double bonded to an oxygen
ring strain
carbonyl
oxidizing
ozonolysis
4. Configuration in relation to another chiral molecule. use it to determine if a molecule is an enantiomer - diastereomer - etc
Vinyl
relative configuration
chiral center
ring strain
5. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans
hot - acidic potassium permanganate
electrophilic addition of free radicals
chiral center
electrophilic addition of X2
6. N - l - ml - ms
hydroboration
acetaldehyde
quantum numbers
geometric isomers
7. How many stereoisomers can a molecule have with n chiral centers
Haloalkane
nonbonded strain
methylene
2^n
8. Highest energy no separation. or 120 separation.
geminal
eclipsed conformation
hybridization
peroxycarboxylic acid
9. Name for ethanal
isomer
pi bond
acetaldehyde
meso compound
10. One s and two p 120 degree apart
sp2
electrophilic addition of HX
sigma bond
ketone
11. Cleaves double bond in half - it only oxidizes the carbon to an aldehyde under reducing conditions. if ozidizing make same product as KMNO4
primary carbon
aldehyde
ozonolysis
saturated hydrocarbon
12. One s and three p orbitals
saturated hydrocarbon
sp3
reducing
racemic mixture
13. Name for propanal
polymerization
disproportionation
ozonolysis
propionaldehyde
14. Goal is to produce most stable carbocation
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15. Formed by mixing different types of orbitals
hybridization
2^n
specific rotation
molecular orbital
16. Diol with hydroxyl group on same carbon
geminal
relative configuration
electrophilic addition of X2
geometric isomers
17. Two p orbital form pi and third p orbital combine with s to make two sp hybrid. 180 degree apart
C3H8 + 5O2 = 3CO2 + 4H2O + heat
diastereomers
sp
meso compound
18. Hydrocarbon with one or more carbon carbon triple bond
structural isomers
fischer projection
enantiomer
alkyne
19. Results when nonadjacent atoms or groups compete for space. dominant source of energy in flagpole interactions of the boat conformation. thus it goes in various conformations like chair boat and twist.
initiation propagation termination
oxidation
y- root - en -x-yne
nonbonded strain
20. Object that is not superimposable upon mirror image
lindlar's catalyst
chiral
Alkane nomenclature
electrophilic addition of H2O
21. When two p orbitals line up in parallel and electron clouds overlap. it exsits over a single bond.
Alkene
pi bond
racemic mixture
mcpba
22. Zn/h or CH3/s with ozonolysis
reducing
ring flip
Vinyl
hydroboration
23. In presence of peroxide - oxygen or ultraviolet light. antimarkonikov because they want a stable free radical. therefore X ends up on least subsituted carbon
torsional strain
ionic bond
electrophilic addition of free radicals
hybridization
24. Is bonded to only one other carbon atom
Alkane nomenclature
primary carbon
enantiomer
fischer projection
25. Arise from angle strain - torsional strian and nonbonded strain
sp3
chiral center
ring strain
alcohol
26. Occur when a molecule is broken down by heat. used to reduce the avverage molecular weight of heavy oils. c - c - bonds are cleave dand make small chain alkyl radicals that recombine to form different alkanes
gauche conformation
pyrolysis
Alkane nomenclature
C3H8 + 5O2 = 3CO2 + 4H2O + heat
27. Use the Greek root for the number of carbons followed by the ending - - ane
Alkane nomenclature
C3H8 + 5O2 = 3CO2 + 4H2O + heat
absolute configuration
Combustion
28. When boat flips
ring flip
Alkane nomenclature
hot - acidic potassium permanganate
relative configuration
29. Nonsuperimposable mirror image of chiral objects - a specific steroisomer.
covalent bond
sigma bond
enantiomer
Alkene
30. What is produced when o3 with lialh4 or nabh4
Acetylene
alcohol
Alkene
saturated hydrocarbon
31. Rotations cancel each other out therefore no optical activity
specific rotation
racemic mixture
anti conformation
electrophile
32. Share molecular formula but have different chemical and physical properties
specific rotation
Acetylene
structural isomers
ozonolysis
33. If a compound is able to rotate plane polarized light.
formaldehyde
propionaldehyde
pi bond
optical activity
34. Three different substitutents often have plane of symmetry. and rotation of 180 will allow molecule to be superimposed on mirror image
markovnikov's rule
oxidation
achiral
quantum numbers
35. Not solvated
Ignored
aprotic solvent
geminal
angle strain
36. Propylenes attached to a backbone at the C-3 position. Meaning the double bond at end of the chain and single bonded carbon at rest
chiral center
quantum numbers
allyl
oxidation
37. Alphabetical order of alkane rxn
halogen
structural isomers
combustion - disproportionation - free - radical substitution - pyrolysis
covalent bond
38. Nitrogen containing compound - longest chain attached to nitrogen used in backbone. use e and replace with AMINE. if more complex molecule present - use prefix amino. IF additional group added - use N-
Haloalkane
oxidation
ketone
amines
39. Carbon with four different substituents and lack a plane of symmetry
chiral center
halogen
carboxylic acid
stereoisomers
40. Carbonyl located in middle or somewhere in chane. Named with One
oxidizing
halogen
ketone
amines
41. Electrons of pi bond are reactive and easily attacked by molecules that want e pair e.g. electrophiles.
ozonolysis
electrophilic addition
optical activity
Alkane
42. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced
acetaldehyde
hydroboration
angle strain
triple bond
43. A radical transfers a hydrogen atom to another radical and makes an alkane and alkene
Alkene
disproportionation
alcohol
oxidizing
44. Diols with hydroxyl group on adjacent carbon
chiral
vicinal
potassium permanganate
electrophilic addition of H2O
45. Name for mathanal
formaldehyde
alkyne
gauche conformation
vicinal
46. If reagent has a bunch of oxygen
geminal
electrophile
oxidation
electrophilic addition
47. Reaction of alkane with oxygen to form carbon dioxide - water and heat.
Combustion
enantiomer
Alkane
electrophilic addition of HX
48. Chain of carbons connected by single bonds with hydrogen atoms attached.
relative configuration
anti conformation
Alkane
basicity
49. When a molecular orbital is formed head to head or tail to tail. all single bonds are tehese.
sigma bond
cold potassium permanganate
vicinal
Combustion
50. Always receive number one. contain carbonyl and OH group - very oxidized. highest priority functional group.
carboxylic acid
electrophilic addition of H2O
ring strain
nonbonded strain