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. Palladium or barium sulfate (BaSO4) with quinoline. occur on metal surface - make cis.
2. Arise from angle strain - torsional strian and nonbonded strain
polymerization
lindlar's catalyst
ring strain
Alkyne
3. Same molecular formula but different structure
isomer
Alkyne
sp
diol
4. Two hydroxyl groups
ozonolysis
ketone
achiral
diol
5. When a molecular orbital is formed head to head or tail to tail. all single bonds are tehese.
sigma bond
catalytic hydrogenation
diastereomers
initiation propagation termination
6. Compounds with halogen
Haloalkane
diastereomers
alkyne
catalytic hydrogenation
7. Diol with hydroxyl group on same carbon
initiation propagation termination
eclipsed conformation
geminal
markovnikov's rule
8. A = observed rotation / concentration * length
electrophile
ionic bond
specific rotation
fischer projection
9. E of double bond act as lewis base and react with hydrogen of hx. make carbocation intermediate. use markonikovs rule
y- root - en -x-yne
electrophilic addition of X2
electrophilic addition of HX
Vinyl
10. 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
y- root - en -x-yne
Alkane
pyrolysis
C3H8 + 5O2 = 3CO2 + 4H2O + heat
11. N - l - ml - ms
pyrolysis
quantum numbers
geminal
cold potassium permanganate
12. Transfer of electrions from one atome to another
sp
fischer projection
ionic bond
racemic mixture
13. How many stereoisomers can a molecule have with n chiral centers
2^n
hydroboration
chiral
relative configuration
14. What are the best leaving groups?
weak bases
aprotic solvent
hydroboration
chiral
15. 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
electrophilic addition of X2
hydroboration
allyl
Alkyne
16. Reducing an alkene by adding molecular hydrogen to double bond with aid of metal catalyst. e.g. pt - pd - ni. takes place on surface of metal so it does syn addition
carboxylic acid
sp
catalytic hydrogenation
hybridization
17. Monosubstituted ethylene
Vinyl
structural isomers
angle strain
alkyne
18. Zn/h or CH3/s with ozonolysis
configuration
alcohol
Alkene
reducing
19. One s and two p 120 degree apart
sp2
markovnikov's rule
diol
anti conformation
20. F - CL - Br - I
chiral
stereoisomers
halogen
carbonyl
21. Carbonyl located at the end of the chain named by replacing al with e. e.g. butanal
ring flip
halogen
formaldehyde
aldehyde
22. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans
optical activity
absolute configuration
electrophilic addition of X2
C3H8 + 5O2 = 3CO2 + 4H2O + heat
23. A molecule with an internal plane of symmetry
Combustion
catalytic hydrogenation
fischer projection
meso compound
24. Contain carbon carbon double bonds. Use same root of alkane but end with 'ene'
electrophilic addition of H2O
Alkene
carboxylic acid
Acetylene
25. What is produced when o3 with lialh4 or nabh4
enantiomer
alcohol
molecular orbital
nucleophile
26. Name for mathanal
enantiomer
formaldehyde
fischer projection
aprotic solvent
27. Two p orbital form pi and third p orbital combine with s to make two sp hybrid. 180 degree apart
geminal
sp
triple bond
nucleophile
28. Steps of free radical substitution
acetaldehyde
initiation propagation termination
halogen
weak bases
29. Carbon carbon triple bonds. Suffix-yne.
peroxycarboxylic acid
Alkyne
Alkane nomenclature
lindlar's catalyst
30. 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
enantiomer
sp
ring flip
Alkane nomenclature
31. Refers to the =CH2 group
basicity
methylene
allyl
halogen
32. A sigma bond and two pi bonds
vicinal
achiral
triple bond
ozonolysis
33. Nucleus lover. electron rich species that are attracked to charged atoms
conformational isomer
triple bond
nucleophile
covalent bond
34. Alphabetical order of alkane rxn
combustion - disproportionation - free - radical substitution - pyrolysis
geminal
peroxycarboxylic acid
achiral
35. Diols with hydroxyl group on adjacent carbon
covalent bond
chiral
vicinal
meso compound
36. 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
ring strain
Alkane nomenclature
C3H8 + 5O2 = 3CO2 + 4H2O + heat
37. Di - tri - t - sec - n -
eclipsed conformation
Acetylene
electrophilic addition of HX
Ignored
38. Kmno4
potassium permanganate
absolute configuration
sp
ozonolysis
39. Reaction of alkane with oxygen to form carbon dioxide - water and heat.
anti conformation
propionaldehyde
Combustion
electrophilic addition of free radicals
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.
eclipsed conformation
nonbonded strain
chiral
diastereomers
41. Use the Greek root for the number of carbons followed by the ending - - ane
sp2
potassium permanganate
Alkane nomenclature
vicinal
42. 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
geometric isomers
ozonolysis
specific rotation
43. When two p orbitals line up in parallel and electron clouds overlap. it exsits over a single bond.
halogenation
weak bases
ketone
pi bond
44. Name for propanal
aprotic solvent
geminal
propionaldehyde
relative configuration
45. Water can be added to alkenes under acidic conditions. make carbocation. ends with alcohol
gauche conformation
angle strain
electrophilic addition of HX
electrophilic addition of H2O
46. Nonterminal alkenes are cleaved to form two molar equivalent of carvoxylic acid ..make keton
methylene
enantiomer
configuration
hot - acidic potassium permanganate
47. Not solvated
electrophilic addition of free radicals
geminal
aprotic solvent
oxidation
48. Electrons of pi bond are reactive and easily attacked by molecules that want e pair e.g. electrophiles.
pyrolysis
y- root - en -x-yne
electrophilic addition
combustion - disproportionation - free - radical substitution - pyrolysis
49. A radical transfers a hydrogen atom to another radical and makes an alkane and alkene
disproportionation
oxidation
protic solvent
electrophilic addition of HX
50. Formed by mixing different types of orbitals
covalent bond
electrophilic addition of HX
reducing
hybridization