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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. Carbonyl located in middle or somewhere in chane. Named with One
achiral
electrophile
electrophilic addition of free radicals
ketone
2. A molecule with an internal plane of symmetry
enantiomer
carbonyl
ionic bond
meso compound
3. Steps of free radical substitution
initiation propagation termination
sp3
Vinyl
not ignored
4. A radical transfers a hydrogen atom to another radical and makes an alkane and alkene
basicity
disproportionation
covalent bond
oxidation
5. Configuration in relation to another chiral molecule. use it to determine if a molecule is an enantiomer - diastereomer - etc
primary carbon
C3H8 + 5O2 = 3CO2 + 4H2O + heat
relative configuration
sp3
6. Two p orbital form pi and third p orbital combine with s to make two sp hybrid. 180 degree apart
catalytic hydrogenation
ring strain
Alkane
sp
7. When two atomic orbitals combine. obtained mathematically by adding or subtracting wave functions. if sings are the same - make bonding - if different - less stable antibonding.
sp2
pyrolysis
sp3
molecular orbital
8. Diols with hydroxyl group on adjacent carbon
electrophile
enantiomer
vicinal
isomer
9. Is bonded to only one other carbon atom
primary carbon
geometric isomers
mcpba
racemic mixture
10. Palladium or barium sulfate (BaSO4) with quinoline. occur on metal surface - make cis.
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11. Charged - need electrons
propionaldehyde
electrophile
cold potassium permanganate
ozonolysis
12. In presence of peroxide - oxygen or ultraviolet light. antimarkonikov because they want a stable free radical. therefore X ends up on least subsituted carbon
halogen
cold potassium permanganate
electrophilic addition of free radicals
sp
13. When boat flips
ring flip
specific rotation
geometric isomers
nonbonded strain
14. Functionality is specified by alkoxy- prefix. ROR
diol
gauche conformation
pi bond
ethers
15. In which one or morehydrogen atoms are replaced with a halogen atom. via free radical substitution
halogenation
methylene
sp3
achiral
16. Use the Greek root for the number of carbons followed by the ending - - ane
configuration
Alkene
conformational isomer
Alkane nomenclature
17. Name for ethanal
acetaldehyde
hybridization
racemic mixture
combustion - disproportionation - free - radical substitution - pyrolysis
18. Lowest priority group projects into the page
fischer projection
methylene
angle strain
C3H8 + 5O2 = 3CO2 + 4H2O + heat
19. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain
ozonolysis
sp
Haloalkane
y- root - en -x-yne
20. F - CL - Br - I
halogen
isomer
enantiomer
racemic mixture
21. Non mirror image of configurational isomers. cis and trans alkenes are them. possible when a molecule has two or more stereogenic centers that differ at some but not alll of the centers. they require multiple chiral centers.
diastereomers
quantum numbers
potassium permanganate
carbonyl
22. Contain carbon carbon double bonds. Use same root of alkane but end with 'ene'
protic solvent
Alkene
sp
weak bases
23. O3
ozonolysis
hot - acidic potassium permanganate
ketone
Combustion
24. Transfer of electrions from one atome to another
relative configuration
anti conformation
lindlar's catalyst
ionic bond
25. Ozonolysis under hot acidic kmO4 - e.g. H2O2 condition
methylene
ionic bond
oxidizing
diol
26. 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
Haloalkane
pyrolysis
y- root - en -x-yne
allyl
27. Combustion reaction occurs through a radical process
C3H8 + 5O2 = 3CO2 + 4H2O + heat
peroxycarboxylic acid
methylene
electrophilic addition of H2O
28. Object that is not superimposable upon mirror image
absolute configuration
protic solvent
chiral
mcpba
29. E of double bond act as lewis base and react with hydrogen of hx. make carbocation intermediate. use markonikovs rule
ionic bond
initiation propagation termination
racemic mixture
electrophilic addition of HX
30. No double bonds. it has the maximum number of hydrogens.
methylene
saturated hydrocarbon
angle strain
electrophilic addition of H2O
31. One s and three p orbitals
ionic bond
amines
anti conformation
sp3
32. Carbon double bonded to an oxygen
sp2
acetaldehyde
chiral
carbonyl
33. Chain of carbons connected by single bonds with hydrogen atoms attached.
basicity
geminal
Alkane
isomer
34. Nonsuperimposable mirror image of chiral objects - a specific steroisomer.
Haloalkane
enantiomer
isomer
basicity
35. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans
racemic mixture
hot - acidic potassium permanganate
eclipsed conformation
electrophilic addition of X2
36. Alphabetical order of alkane rxn
combustion - disproportionation - free - radical substitution - pyrolysis
mcpba
sp
disproportionation
37. N - l - ml - ms
isomer
quantum numbers
oxidizing
Alkene
38. Formed by mixing different types of orbitals
formaldehyde
methylene
hybridization
Alkane nomenclature
39. A = observed rotation / concentration * length
isomer
oxidizing
specific rotation
vicinal
40. Arise from angle strain - torsional strian and nonbonded strain
electrophilic addition of H2O
hybridization
absolute configuration
ring strain
41. Two hydroxyl groups
propionaldehyde
Alkene
pi bond
diol
42. Share molecular formula but have different chemical and physical properties
initiation propagation termination
structural isomers
geminal
hot - acidic potassium permanganate
43. What are the best leaving groups?
structural isomers
weak bases
reducing
hydroboration
44. One s and two p 120 degree apart
chiral center
conformational isomer
sp2
ring flip
45. Nucleus lover. electron rich species that are attracked to charged atoms
electrophilic addition of free radicals
nucleophile
meso compound
ozonolysis
46. Most favorable of staggared conformations
anti conformation
Alkane nomenclature
electrophilic addition of HX
oxidizing
47. Results when cyclic molecules must assume conformations that have eclipsed interactions
torsional strain
eclipsed conformation
propionaldehyde
angle strain
48. Iso - neo - cyclo
alcohol
not ignored
acetaldehyde
saturated hydrocarbon
49. Rotations cancel each other out therefore no optical activity
initiation propagation termination
racemic mixture
catalytic hydrogenation
2^n
50. Methyl are 60 degrees apart. kinda stable
achiral
carboxylic acid
ozonolysis
gauche conformation