SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. What are the best leaving groups?
catalytic hydrogenation
weak bases
formaldehyde
aldehyde
2. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain
ozonolysis
electrophilic addition of HX
y- root - en -x-yne
combustion - disproportionation - free - radical substitution - pyrolysis
3. Nucleus lover. electron rich species that are attracked to charged atoms
ethers
alkyne
anti conformation
nucleophile
4. Configuration in relation to another chiral molecule. use it to determine if a molecule is an enantiomer - diastereomer - etc
aldehyde
sp
relative configuration
enantiomer
5. Three different substitutents often have plane of symmetry. and rotation of 180 will allow molecule to be superimposed on mirror image
sp2
achiral
racemic mixture
Alkene
6. One s and three p orbitals
specific rotation
triple bond
sp3
stereoisomers
7. O3
ozonolysis
gauche conformation
structural isomers
molecular orbital
8. 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
allyl
relative configuration
alcohol
triple bond
9. Same molecular formula but different structure
catalytic hydrogenation
propionaldehyde
isomer
achiral
10. Name for mathanal
Alkane nomenclature
torsional strain
gauche conformation
formaldehyde
11. Diols with hydroxyl group on adjacent carbon
oxidizing
vicinal
ketone
carbonyl
12. 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
y- root - en -x-yne
protic solvent
Haloalkane
aprotic solvent
13. Monosubstituted ethylene
Vinyl
initiation propagation termination
cold potassium permanganate
allyl
14. Electrons of pi bond are reactive and easily attacked by molecules that want e pair e.g. electrophiles.
hot - acidic potassium permanganate
basicity
electrophilic addition
gauche conformation
15. Charged - need electrons
aldehyde
electrophile
configuration
torsional strain
16. Ozonolysis under hot acidic kmO4 - e.g. H2O2 condition
propionaldehyde
vicinal
oxidizing
halogenation
17. Object that is not superimposable upon mirror image
basicity
y- root - en -x-yne
chiral
achiral
18. Creation of long - high molecular weight polymer composed of repeating subunit called monomers. occur through a radical mechanism.
conformational isomer
peroxycarboxylic acid
polymerization
Alkyne
19. Contain carbon carbon double bonds. Use same root of alkane but end with 'ene'
Alkene
specific rotation
formaldehyde
fischer projection
20. 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
Haloalkane
Alkene
enantiomer
halogen
21. 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
Alkyne
oxidizing
meso compound
22. Always receive number one. contain carbonyl and OH group - very oxidized. highest priority functional group.
carboxylic acid
sp
alcohol
covalent bond
23. N - l - ml - ms
hydroboration
quantum numbers
potassium permanganate
relative configuration
24. Results when cyclic molecules must assume conformations that have eclipsed interactions
quantum numbers
ring flip
hot - acidic potassium permanganate
torsional strain
25. Iso - neo - cyclo
electrophilic addition of HX
sigma bond
not ignored
alkyne
26. Most favorable of staggared conformations
chiral center
anti conformation
specific rotation
potassium permanganate
27. Arise from angle strain - torsional strian and nonbonded strain
2^n
pi bond
ring strain
achiral
28. Name for propanal
propionaldehyde
y- root - en -x-yne
electrophile
ethers
29. Share molecular formula but have different chemical and physical properties
halogenation
molecular orbital
structural isomers
basicity
30. Two hydroxyl groups
peroxycarboxylic acid
fischer projection
diol
hydroboration
31. Name for ethanal
acetaldehyde
electrophilic addition of free radicals
Combustion
basicity
32. How many stereoisomers can a molecule have with n chiral centers
2^n
ozonolysis
ionic bond
Acetylene
33. Goal is to produce most stable carbocation
34. Same chemical formula. same atomic connectivity . different in how atoms are arranged in space
stereoisomers
sigma bond
electrophilic addition of HX
carbonyl
35. Lowest priority group projects into the page
fischer projection
ozonolysis
not ignored
Alkene
36. No double bonds. it has the maximum number of hydrogens.
acetaldehyde
amines
saturated hydrocarbon
carbonyl
37. M - chloroperoxybenzoic acid
mcpba
electrophilic addition of free radicals
Alkane
racemic mixture
38. A radical transfers a hydrogen atom to another radical and makes an alkane and alkene
electrophilic addition of X2
disproportionation
Alkyne
diol
39. Chain of carbons connected by single bonds with hydrogen atoms attached.
weak bases
Alkane
specific rotation
ozonolysis
40. When two p orbitals line up in parallel and electron clouds overlap. it exsits over a single bond.
Alkene
electrophilic addition of H2O
pi bond
oxidizing
41. Two p orbital form pi and third p orbital combine with s to make two sp hybrid. 180 degree apart
hot - acidic potassium permanganate
sp
torsional strain
C3H8 + 5O2 = 3CO2 + 4H2O + heat
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
protic solvent
sp2
hydroboration
initiation propagation termination
43. Spatial arrangement of the atoms or groups of a sterioisomer
nucleophile
acetaldehyde
structural isomers
configuration
44. Combustion reaction occurs through a radical process
C3H8 + 5O2 = 3CO2 + 4H2O + heat
stereoisomers
2^n
hybridization
45. Formed by mixing different types of orbitals
hybridization
cold potassium permanganate
sigma bond
Alkane
46. When a molecular orbital is formed head to head or tail to tail. all single bonds are tehese.
ring flip
hydroboration
potassium permanganate
sigma bond
47. What is produced when o3 with lialh4 or nabh4
electrophilic addition of HX
chiral center
carbonyl
alcohol
48. 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
ozonolysis
cold potassium permanganate
pyrolysis
electrophilic addition of free radicals
49. Not solvated
propionaldehyde
racemic mixture
meso compound
aprotic solvent
50. Carbon carbon triple bonds. Suffix-yne.
acetaldehyde
chiral center
ozonolysis
Alkyne