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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. Steps of free radical substitution
combustion - disproportionation - free - radical substitution - pyrolysis
initiation propagation termination
sp
relative configuration
2. Methyl are 60 degrees apart. kinda stable
carbonyl
gauche conformation
formaldehyde
Alkene
3. Object that is not superimposable upon mirror image
chiral
halogenation
achiral
alkyne
4. Carbon carbon triple bonds. Suffix-yne.
Haloalkane
methylene
not ignored
Alkyne
5. E of double bond act as lewis base and react with hydrogen of hx. make carbocation intermediate. use markonikovs rule
mcpba
geminal
carboxylic acid
electrophilic addition of HX
6. A sigma bond and two pi bonds
triple bond
structural isomers
eclipsed conformation
catalytic hydrogenation
7. Alphabetical order of alkane rxn
combustion - disproportionation - free - radical substitution - pyrolysis
ionic bond
nonbonded strain
hydroboration
8. Creation of long - high molecular weight polymer composed of repeating subunit called monomers. occur through a radical mechanism.
polymerization
weak bases
halogen
alcohol
9. Functionality is specified by alkoxy- prefix. ROR
relative configuration
chiral center
anti conformation
ethers
10. F - CL - Br - I
polymerization
catalytic hydrogenation
halogen
electrophilic addition of HX
11. Combustion reaction occurs through a radical process
nonbonded strain
angle strain
C3H8 + 5O2 = 3CO2 + 4H2O + heat
oxidation
12. Nonterminal alkenes are cleaved to form two molar equivalent of carvoxylic acid ..make keton
hot - acidic potassium permanganate
oxidizing
mcpba
electrophilic addition of H2O
13. Name for propanal
propionaldehyde
anti conformation
hydroboration
C3H8 + 5O2 = 3CO2 + 4H2O + heat
14. Water can be added to alkenes under acidic conditions. make carbocation. ends with alcohol
acetaldehyde
racemic mixture
electrophilic addition of X2
electrophilic addition of H2O
15. M - chloroperoxybenzoic acid
carboxylic acid
anti conformation
mcpba
enantiomer
16. Share molecular formula but have different chemical and physical properties
ring strain
structural isomers
specific rotation
achiral
17. Solvents with protons in solution - e.g. water or alcohol. large atoms tend to be better nucleophiles in here because they can shed the solvating protons around them and are more polarizable
oxidation
protic solvent
disproportionation
sigma bond
18. 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
weak bases
pyrolysis
catalytic hydrogenation
isomer
19. Diol with hydroxyl group on same carbon
geminal
electrophilic addition of H2O
propionaldehyde
angle strain
20. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans
sp3
diol
potassium permanganate
electrophilic addition of X2
21. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain
electrophilic addition of X2
C3H8 + 5O2 = 3CO2 + 4H2O + heat
basicity
y- root - en -x-yne
22. Lowest priority group projects into the page
potassium permanganate
electrophilic addition of X2
fischer projection
structural isomers
23. Most favorable of staggared conformations
mcpba
anti conformation
triple bond
protic solvent
24. Iso - neo - cyclo
isomer
alkyne
amines
not ignored
25. Reaction of alkane with oxygen to form carbon dioxide - water and heat.
aldehyde
fischer projection
Combustion
peroxycarboxylic acid
26. Common name for ethyne
polymerization
configuration
saturated hydrocarbon
Acetylene
27. No double bonds. it has the maximum number of hydrogens.
electrophilic addition of X2
potassium permanganate
specific rotation
saturated hydrocarbon
28. Monosubstituted ethylene
electrophilic addition of HX
reducing
enantiomer
Vinyl
29. Sharing of electron between atoms
covalent bond
specific rotation
not ignored
geometric isomers
30. What are the best leaving groups?
weak bases
electrophilic addition
relative configuration
peroxycarboxylic acid
31. 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
aldehyde
enantiomer
molecular orbital
protic solvent
32. Zn/h or CH3/s with ozonolysis
electrophilic addition
pyrolysis
Acetylene
reducing
33. What is produced when o3 with lialh4 or nabh4
sp3
catalytic hydrogenation
alcohol
electrophile
34. Always receive number one. contain carbonyl and OH group - very oxidized. highest priority functional group.
meso compound
C3H8 + 5O2 = 3CO2 + 4H2O + heat
sigma bond
carboxylic acid
35. One s and two p 120 degree apart
sp2
C3H8 + 5O2 = 3CO2 + 4H2O + heat
specific rotation
propionaldehyde
36. Compounds with halogen
sp2
Haloalkane
polymerization
Alkene
37. Formed by mixing different types of orbitals
hybridization
ozonolysis
potassium permanganate
2^n
38. Two hydroxyl groups
sp3
optical activity
carbonyl
diol
39. Charged - need electrons
quantum numbers
electrophile
C3H8 + 5O2 = 3CO2 + 4H2O + heat
conformational isomer
40. 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.
halogenation
aldehyde
diastereomers
primary carbon
41. Highest energy no separation. or 120 separation.
eclipsed conformation
enantiomer
electrophilic addition of X2
chiral
42. O3
geminal
ozonolysis
aprotic solvent
ketone
43. Is bonded to only one other carbon atom
acetaldehyde
gauche conformation
primary carbon
initiation propagation termination
44. 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-
stereoisomers
achiral
amines
triple bond
45. If reagent has a bunch of oxygen
oxidation
weak bases
halogenation
sigma bond
46. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced
hydroboration
relative configuration
formaldehyde
aldehyde
47. Chain of carbons connected by single bonds with hydrogen atoms attached.
weak bases
Alkane
initiation propagation termination
chiral
48. More likely it is to attract positively charged proton. nucleophilic strength decreses: RO->HO>RCO2>ROH>H2O
basicity
acetaldehyde
methylene
geminal
49. Nucleus lover. electron rich species that are attracked to charged atoms
nucleophile
enantiomer
oxidizing
diol
50. N - l - ml - ms
Alkane nomenclature
Acetylene
quantum numbers
amines