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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. Nucleus lover. electron rich species that are attracked to charged atoms
alcohol
pyrolysis
protic solvent
nucleophile
2. Creation of long - high molecular weight polymer composed of repeating subunit called monomers. occur through a radical mechanism.
allyl
polymerization
acetaldehyde
formaldehyde
3. If reagent has a bunch of oxygen
oxidation
basicity
electrophilic addition of H2O
pi bond
4. One s and two p 120 degree apart
relative configuration
electrophilic addition of free radicals
diol
sp2
5. How many stereoisomers can a molecule have with n chiral centers
relative configuration
polymerization
cold potassium permanganate
2^n
6. If a compound is able to rotate plane polarized light.
electrophilic addition of X2
optical activity
molecular orbital
covalent bond
7. Not solvated
diol
chiral center
propionaldehyde
aprotic solvent
8. Diol with hydroxyl group on same carbon
geminal
amines
relative configuration
Alkene
9. M - chloroperoxybenzoic acid
Ignored
mcpba
aprotic solvent
optical activity
10. Lowest priority group projects into the page
fischer projection
hot - acidic potassium permanganate
y- root - en -x-yne
Haloalkane
11. Common name for ethyne
Ignored
stereoisomers
Acetylene
weak bases
12. Cleaves double bond in half - it only oxidizes the carbon to an aldehyde under reducing conditions. if ozidizing make same product as KMNO4
nucleophile
fischer projection
electrophilic addition of free radicals
ozonolysis
13. Ozonolysis under hot acidic kmO4 - e.g. H2O2 condition
ketone
basicity
sp3
oxidizing
14. Rotations cancel each other out therefore no optical activity
Ignored
sigma bond
isomer
racemic mixture
15. Name for propanal
nonbonded strain
propionaldehyde
halogenation
anti conformation
16. A molecule with an internal plane of symmetry
chiral
Acetylene
meso compound
lindlar's catalyst
17. Goal is to produce most stable carbocation
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18. When boat flips
ring flip
Haloalkane
racemic mixture
alcohol
19. Formed by mixing different types of orbitals
Alkyne
catalytic hydrogenation
hybridization
electrophile
20. Name for mathanal
geometric isomers
cold potassium permanganate
diastereomers
formaldehyde
21. Steps of free radical substitution
Haloalkane
initiation propagation termination
enantiomer
racemic mixture
22. Describes the exact spatial arrangement of groups of atoms independent of other molecules.
geometric isomers
achiral
absolute configuration
electrophilic addition of free radicals
23. Is bonded to only one other carbon atom
ozonolysis
primary carbon
aprotic solvent
geminal
24. Use the Greek root for the number of carbons followed by the ending - - ane
markovnikov's rule
meso compound
Alkane nomenclature
aprotic solvent
25. A radical transfers a hydrogen atom to another radical and makes an alkane and alkene
acetaldehyde
methylene
sigma bond
disproportionation
26. Always receive number one. contain carbonyl and OH group - very oxidized. highest priority functional group.
optical activity
2^n
aldehyde
carboxylic acid
27. 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-
amines
C3H8 + 5O2 = 3CO2 + 4H2O + heat
2^n
diol
28. Reaction of alkane with oxygen to form carbon dioxide - water and heat.
Combustion
molecular orbital
ionic bond
nucleophile
29. No double bonds. it has the maximum number of hydrogens.
eclipsed conformation
enantiomer
saturated hydrocarbon
oxidizing
30. F - CL - Br - I
hydroboration
hot - acidic potassium permanganate
protic solvent
halogen
31. Zn/h or CH3/s with ozonolysis
carboxylic acid
oxidizing
allyl
reducing
32. 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.
2^n
quantum numbers
molecular orbital
stereoisomers
33. Differ in position of substitutents attached to a double bond or cycloalkane. Cis or trans or e or z
hydroboration
geometric isomers
enantiomer
sp3
34. Di - tri - t - sec - n -
Haloalkane
carbonyl
Alkyne
Ignored
35. When a molecular orbital is formed head to head or tail to tail. all single bonds are tehese.
sigma bond
allyl
ketone
nonbonded strain
36. In presence of peroxide - oxygen or ultraviolet light. antimarkonikov because they want a stable free radical. therefore X ends up on least subsituted carbon
initiation propagation termination
sigma bond
electrophilic addition of free radicals
diol
37. What are the best leaving groups?
weak bases
chiral
electrophilic addition of HX
Combustion
38. Nonterminal alkenes are cleaved to form two molar equivalent of carvoxylic acid ..make keton
lindlar's catalyst
diol
geometric isomers
hot - acidic potassium permanganate
39. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain
halogen
y- root - en -x-yne
not ignored
ring flip
40. Carbon double bonded to an oxygen
Combustion
2^n
sigma bond
carbonyl
41. 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.
Alkene
Alkane
sigma bond
nonbonded strain
42. Carbon carbon triple bonds. Suffix-yne.
ring flip
Alkyne
markovnikov's rule
sp
43. N - l - ml - ms
quantum numbers
sp2
carbonyl
electrophilic addition
44. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced
nucleophile
hydroboration
mcpba
nonbonded strain
45. Monosubstituted ethylene
Vinyl
initiation propagation termination
Alkane
geometric isomers
46. Share molecular formula but have different chemical and physical properties
catalytic hydrogenation
sigma bond
structural isomers
enantiomer
47. 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
geminal
allyl
structural isomers
achiral
48. Same molecular formula but different structure
isomer
achiral
absolute configuration
polymerization
49. Three different substitutents often have plane of symmetry. and rotation of 180 will allow molecule to be superimposed on mirror image
diastereomers
halogenation
potassium permanganate
achiral
50. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans
sp3
electrophilic addition of X2
Haloalkane
hydroboration