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. More likely it is to attract positively charged proton. nucleophilic strength decreses: RO->HO>RCO2>ROH>H2O
Vinyl
fischer projection
electrophilic addition of X2
basicity
2. How many stereoisomers can a molecule have with n chiral centers
electrophilic addition of free radicals
enantiomer
catalytic hydrogenation
2^n
3. Alkene oxidized with this - strong oxidizing agent. CH3CO3H or mcpba and it makes epoxide or oxirane
amines
peroxycarboxylic acid
sp3
allyl
4. Ozonolysis under hot acidic kmO4 - e.g. H2O2 condition
reducing
oxidizing
oxidation
lindlar's catalyst
5. If a compound is able to rotate plane polarized light.
optical activity
Combustion
C3H8 + 5O2 = 3CO2 + 4H2O + heat
relative configuration
6. Name for propanal
propionaldehyde
aldehyde
hot - acidic potassium permanganate
electrophilic addition of free radicals
7. Nonterminal alkenes are cleaved to form two molar equivalent of carvoxylic acid ..make keton
markovnikov's rule
diastereomers
hot - acidic potassium permanganate
absolute configuration
8. Diol with hydroxyl group on same carbon
relative configuration
molecular orbital
polymerization
geminal
9. One s and two p 120 degree apart
catalytic hydrogenation
Vinyl
2^n
sp2
10. Iso - neo - cyclo
not ignored
ozonolysis
Ignored
cold potassium permanganate
11. What are the best leaving groups?
combustion - disproportionation - free - radical substitution - pyrolysis
meso compound
weak bases
Vinyl
12. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced
propionaldehyde
hydroboration
specific rotation
anti conformation
13. Describes the exact spatial arrangement of groups of atoms independent of other molecules.
eclipsed conformation
2^n
fischer projection
absolute configuration
14. Hydrocarbon with one or more carbon carbon triple bond
triple bond
ionic bond
peroxycarboxylic acid
alkyne
15. A molecule with an internal plane of symmetry
Vinyl
meso compound
Alkane
carbonyl
16. Spatial arrangement of the atoms or groups of a sterioisomer
ring flip
configuration
pyrolysis
chiral
17. In which one or morehydrogen atoms are replaced with a halogen atom. via free radical substitution
methylene
ethers
chiral
halogenation
18. 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.
Alkyne
alkyne
primary carbon
molecular orbital
19. Name for ethanal
potassium permanganate
ozonolysis
markovnikov's rule
acetaldehyde
20. Carbon with four different substituents and lack a plane of symmetry
nucleophile
sigma bond
chiral center
ozonolysis
21. A = observed rotation / concentration * length
Combustion
absolute configuration
specific rotation
sp3
22. Palladium or barium sulfate (BaSO4) with quinoline. occur on metal surface - make cis.
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
23. Electrons of pi bond are reactive and easily attacked by molecules that want e pair e.g. electrophiles.
hybridization
electrophilic addition
eclipsed conformation
formaldehyde
24. Two hydroxyl groups
aldehyde
reducing
sp3
diol
25. Nonsuperimposable mirror image of chiral objects - a specific steroisomer.
molecular orbital
enantiomer
ozonolysis
relative configuration
26. Name for mathanal
lindlar's catalyst
hot - acidic potassium permanganate
polymerization
formaldehyde
27. Cleaves double bond in half - it only oxidizes the carbon to an aldehyde under reducing conditions. if ozidizing make same product as KMNO4
primary carbon
saturated hydrocarbon
ozonolysis
Alkyne
28. If reagent has a bunch of oxygen
allyl
hydroboration
achiral
oxidation
29. A radical transfers a hydrogen atom to another radical and makes an alkane and alkene
mcpba
disproportionation
racemic mixture
potassium permanganate
30. Sharing of electron between atoms
basicity
oxidizing
covalent bond
Ignored
31. When two p orbitals line up in parallel and electron clouds overlap. it exsits over a single bond.
pi bond
basicity
isomer
configuration
32. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans
disproportionation
potassium permanganate
hybridization
electrophilic addition of X2
33. Transfer of electrions from one atome to another
nonbonded strain
pi bond
enantiomer
ionic bond
34. Alphabetical order of alkane rxn
combustion - disproportionation - free - radical substitution - pyrolysis
ethers
protic solvent
torsional strain
35. 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
pyrolysis
y- root - en -x-yne
basicity
chiral
36. Functionality is specified by alkoxy- prefix. ROR
cold potassium permanganate
ethers
Alkane
electrophilic addition of H2O
37. Is bonded to only one other carbon atom
disproportionation
cold potassium permanganate
primary carbon
electrophilic addition of H2O
38. Carbon double bonded to an oxygen
vicinal
carbonyl
electrophilic addition of X2
protic solvent
39. Reaction of alkane with oxygen to form carbon dioxide - water and heat.
configuration
hot - acidic potassium permanganate
Combustion
meso compound
40. Diols with hydroxyl group on adjacent carbon
electrophilic addition
vicinal
aprotic solvent
nucleophile
41. 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.
stereoisomers
C3H8 + 5O2 = 3CO2 + 4H2O + heat
diastereomers
disproportionation
42. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain
electrophile
y- root - en -x-yne
chiral center
hot - acidic potassium permanganate
43. When boat flips
ring flip
ionic bond
not ignored
formaldehyde
44. N - l - ml - ms
ring flip
ozonolysis
quantum numbers
specific rotation
45. Compounds with halogen
acetaldehyde
chiral
Haloalkane
methylene
46. Most similar. same molecule only at different points in their rotation. show them with newmans projections
conformational isomer
halogen
nonbonded strain
alcohol
47. Charged - need electrons
electrophile
anti conformation
methylene
ring flip
48. In presence of peroxide - oxygen or ultraviolet light. antimarkonikov because they want a stable free radical. therefore X ends up on least subsituted carbon
C3H8 + 5O2 = 3CO2 + 4H2O + heat
ozonolysis
aldehyde
electrophilic addition of free radicals
49. Common name for ethyne
Acetylene
stereoisomers
not ignored
structural isomers
50. Same chemical formula. same atomic connectivity . different in how atoms are arranged in space
geminal
stereoisomers
diastereomers
initiation propagation termination