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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. Transfer of electrions from one atome to another
chiral
triple bond
torsional strain
ionic bond
2. Methyl are 60 degrees apart. kinda stable
halogen
electrophilic addition of X2
carboxylic acid
gauche conformation
3. Monosubstituted ethylene
Vinyl
reducing
carboxylic acid
lindlar's catalyst
4. Rotations cancel each other out therefore no optical activity
Alkane nomenclature
Alkane
racemic mixture
quantum numbers
5. Cleaves double bond in half - it only oxidizes the carbon to an aldehyde under reducing conditions. if ozidizing make same product as KMNO4
achiral
ketone
ethers
ozonolysis
6. Alkenes oxidzed with kmno4 - if made with cold - dilue - make OH on each side of double bond - diols or glycol in syn orientation
cold potassium permanganate
absolute configuration
C3H8 + 5O2 = 3CO2 + 4H2O + heat
hot - acidic potassium permanganate
7. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced
pyrolysis
hydroboration
peroxycarboxylic acid
ketone
8. Sharing of electron between atoms
hydroboration
potassium permanganate
electrophilic addition of X2
covalent bond
9. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain
acetaldehyde
ethers
angle strain
y- root - en -x-yne
10. If a compound is able to rotate plane polarized light.
hybridization
peroxycarboxylic acid
optical activity
Alkane
11. Steps of free radical substitution
methylene
initiation propagation termination
ketone
carbonyl
12. Most similar. same molecule only at different points in their rotation. show them with newmans projections
conformational isomer
Alkene
ring strain
molecular orbital
13. If reagent has a bunch of oxygen
primary carbon
oxidation
2^n
weak bases
14. M - chloroperoxybenzoic acid
electrophilic addition of free radicals
mcpba
Alkene
geminal
15. Goal is to produce most stable carbocation
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16. Creation of long - high molecular weight polymer composed of repeating subunit called monomers. occur through a radical mechanism.
disproportionation
ionic bond
nonbonded strain
polymerization
17. What is produced when o3 with lialh4 or nabh4
alcohol
nucleophile
potassium permanganate
ozonolysis
18. Describes the exact spatial arrangement of groups of atoms independent of other molecules.
Alkane nomenclature
ketone
Alkene
absolute configuration
19. Diols with hydroxyl group on adjacent carbon
relative configuration
initiation propagation termination
vicinal
alkyne
20. Ozonolysis under hot acidic kmO4 - e.g. H2O2 condition
alkyne
electrophilic addition
oxidizing
absolute configuration
21. Refers to the =CH2 group
halogen
methylene
conformational isomer
2^n
22. Two hydroxyl groups
diol
electrophile
aprotic solvent
quantum numbers
23. Water can be added to alkenes under acidic conditions. make carbocation. ends with alcohol
electrophilic addition of H2O
not ignored
formaldehyde
specific rotation
24. One s and two p 120 degree apart
sp2
y- root - en -x-yne
quantum numbers
halogen
25. Is bonded to only one other carbon atom
absolute configuration
gauche conformation
stereoisomers
primary carbon
26. Lowest priority group projects into the page
fischer projection
nonbonded strain
y- root - en -x-yne
oxidation
27. Di - tri - t - sec - n -
halogenation
Ignored
saturated hydrocarbon
combustion - disproportionation - free - radical substitution - pyrolysis
28. 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
cold potassium permanganate
diastereomers
ring strain
protic solvent
29. Diol with hydroxyl group on same carbon
relative configuration
ketone
nonbonded strain
geminal
30. Arise from angle strain - torsional strian and nonbonded strain
enantiomer
configuration
geometric isomers
ring strain
31. Charged - need electrons
absolute configuration
ring strain
electrophile
alkyne
32. Hydrocarbon with one or more carbon carbon triple bond
potassium permanganate
markovnikov's rule
alkyne
2^n
33. 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.
triple bond
ring flip
molecular orbital
Alkane
34. N - l - ml - ms
fischer projection
aldehyde
polymerization
quantum numbers
35. Carbon carbon triple bonds. Suffix-yne.
Alkyne
potassium permanganate
mcpba
basicity
36. Same chemical formula. same atomic connectivity . different in how atoms are arranged in space
stereoisomers
oxidation
angle strain
geometric isomers
37. 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.
geometric isomers
ozonolysis
nonbonded strain
configuration
38. E of double bond act as lewis base and react with hydrogen of hx. make carbocation intermediate. use markonikovs rule
oxidizing
molecular orbital
electrophilic addition of HX
ring flip
39. Formed by mixing different types of orbitals
halogen
chiral
aldehyde
hybridization
40. When bond angles deviate from ideal values
halogenation
angle strain
meso compound
amines
41. Carbonyl located in middle or somewhere in chane. Named with One
electrophilic addition of free radicals
hot - acidic potassium permanganate
ketone
conformational isomer
42. A sigma bond and two pi bonds
sp
ionic bond
ethers
triple bond
43. Name for mathanal
halogen
molecular orbital
formaldehyde
C3H8 + 5O2 = 3CO2 + 4H2O + heat
44. What are the best leaving groups?
halogen
weak bases
ring flip
alcohol
45. Not solvated
aprotic solvent
optical activity
eclipsed conformation
carbonyl
46. Compounds with halogen
carbonyl
Ignored
peroxycarboxylic acid
Haloalkane
47. No double bonds. it has the maximum number of hydrogens.
fischer projection
markovnikov's rule
Alkane nomenclature
saturated hydrocarbon
48. How many stereoisomers can a molecule have with n chiral centers
2^n
Alkane
gauche conformation
triple bond
49. Carbon double bonded to an oxygen
carbonyl
Alkene
protic solvent
C3H8 + 5O2 = 3CO2 + 4H2O + heat
50. Combustion reaction occurs through a radical process
mcpba
C3H8 + 5O2 = 3CO2 + 4H2O + heat
combustion - disproportionation - free - radical substitution - pyrolysis
conformational isomer