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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. Methyl are 60 degrees apart. kinda stable
gauche conformation
saturated hydrocarbon
electrophile
basicity
2. N - l - ml - ms
nonbonded strain
potassium permanganate
quantum numbers
basicity
3. Compounds with halogen
basicity
electrophile
polymerization
Haloalkane
4. Nonterminal alkenes are cleaved to form two molar equivalent of carvoxylic acid ..make keton
hot - acidic potassium permanganate
sp3
methylene
electrophilic addition of free radicals
5. Contain carbon carbon double bonds. Use same root of alkane but end with 'ene'
alcohol
Combustion
Alkene
catalytic hydrogenation
6. Carbon double bonded to an oxygen
relative configuration
carboxylic acid
carbonyl
optical activity
7. In which one or morehydrogen atoms are replaced with a halogen atom. via free radical substitution
protic solvent
electrophile
enantiomer
halogenation
8. One s and two p 120 degree apart
structural isomers
triple bond
sp2
quantum numbers
9. Carbon carbon triple bonds. Suffix-yne.
Alkyne
mcpba
not ignored
hot - acidic potassium permanganate
10. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced
geometric isomers
hydroboration
acetaldehyde
alkyne
11. If a compound is able to rotate plane polarized light.
relative configuration
triple bond
ring flip
optical activity
12. Nonsuperimposable mirror image of chiral objects - a specific steroisomer.
enantiomer
diol
oxidizing
initiation propagation termination
13. If reagent has a bunch of oxygen
oxidation
propionaldehyde
not ignored
lindlar's catalyst
14. 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.
weak bases
covalent bond
molecular orbital
stereoisomers
15. Spatial arrangement of the atoms or groups of a sterioisomer
vicinal
racemic mixture
anti conformation
configuration
16. Carbonyl located in middle or somewhere in chane. Named with One
ketone
sp
Alkane nomenclature
quantum numbers
17. O3
cold potassium permanganate
enantiomer
ozonolysis
anti conformation
18. Moleculse that have the opposite configuration at their one chiral center. or if multiple chiral centers - must have the opposite configuration at every one of their chiral centers to be enantiomers. identical physical properties and much of the same
catalytic hydrogenation
basicity
enantiomer
sigma bond
19. Nucleus lover. electron rich species that are attracked to charged atoms
nucleophile
mcpba
configuration
ozonolysis
20. 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
protic solvent
ozonolysis
mcpba
allyl
21. Ozonolysis under hot acidic kmO4 - e.g. H2O2 condition
achiral
vicinal
oxidizing
y- root - en -x-yne
22. Most favorable of staggared conformations
mcpba
anti conformation
structural isomers
ozonolysis
23. Monosubstituted ethylene
isomer
Vinyl
ozonolysis
oxidation
24. No double bonds. it has the maximum number of hydrogens.
triple bond
torsional strain
specific rotation
saturated hydrocarbon
25. Formed by mixing different types of orbitals
hybridization
electrophilic addition of HX
vicinal
specific rotation
26. Same chemical formula. same atomic connectivity . different in how atoms are arranged in space
electrophilic addition of HX
stereoisomers
conformational isomer
alcohol
27. What are the best leaving groups?
oxidizing
Alkene
polymerization
weak bases
28. Zn/h or CH3/s with ozonolysis
reducing
Alkane
electrophilic addition of free radicals
basicity
29. Is bonded to only one other carbon atom
optical activity
primary carbon
Combustion
electrophile
30. When bond angles deviate from ideal values
angle strain
ozonolysis
anti conformation
propionaldehyde
31. Palladium or barium sulfate (BaSO4) with quinoline. occur on metal surface - make cis.
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32. Highest energy no separation. or 120 separation.
eclipsed conformation
sp3
triple bond
achiral
33. 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
ionic bond
chiral center
diol
34. 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.
achiral
molecular orbital
ethers
nonbonded strain
35. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans
amines
halogen
oxidation
electrophilic addition of X2
36. Describes the exact spatial arrangement of groups of atoms independent of other molecules.
geometric isomers
nucleophile
absolute configuration
vicinal
37. Refers to the =CH2 group
methylene
Haloalkane
triple bond
oxidation
38. 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.
nonbonded strain
cold potassium permanganate
diastereomers
configuration
39. Configuration in relation to another chiral molecule. use it to determine if a molecule is an enantiomer - diastereomer - etc
ionic bond
relative configuration
hydroboration
ozonolysis
40. Carbon with four different substituents and lack a plane of symmetry
conformational isomer
quantum numbers
Alkane nomenclature
chiral center
41. Hydrocarbon with one or more carbon carbon triple bond
alcohol
halogen
alkyne
pi bond
42. Most similar. same molecule only at different points in their rotation. show them with newmans projections
eclipsed conformation
diol
conformational isomer
potassium permanganate
43. Kmno4
racemic mixture
stereoisomers
reducing
potassium permanganate
44. Common name for ethyne
structural isomers
allyl
Acetylene
electrophile
45. Rotations cancel each other out therefore no optical activity
geminal
racemic mixture
chiral
triple bond
46. Charged - need electrons
potassium permanganate
polymerization
mcpba
electrophile
47. Alkene oxidized with this - strong oxidizing agent. CH3CO3H or mcpba and it makes epoxide or oxirane
enantiomer
ionic bond
peroxycarboxylic acid
methylene
48. Three different substitutents often have plane of symmetry. and rotation of 180 will allow molecule to be superimposed on mirror image
achiral
sp3
Alkene
Alkyne
49. Diol with hydroxyl group on same carbon
geminal
aldehyde
configuration
anti conformation
50. Functionality is specified by alkoxy- prefix. ROR
y- root - en -x-yne
initiation propagation termination
Alkane
ethers