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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. Two hydroxyl groups
markovnikov's rule
protic solvent
initiation propagation termination
diol
2. Always receive number one. contain carbonyl and OH group - very oxidized. highest priority functional group.
carboxylic acid
ring flip
molecular orbital
Ignored
3. Carbonyl located in middle or somewhere in chane. Named with One
protic solvent
anti conformation
oxidizing
ketone
4. Most similar. same molecule only at different points in their rotation. show them with newmans projections
conformational isomer
hot - acidic potassium permanganate
disproportionation
geometric isomers
5. Configuration in relation to another chiral molecule. use it to determine if a molecule is an enantiomer - diastereomer - etc
angle strain
relative configuration
aprotic solvent
weak bases
6. When bond angles deviate from ideal values
pyrolysis
angle strain
isomer
fischer projection
7. What is produced when o3 with lialh4 or nabh4
stereoisomers
formaldehyde
alcohol
combustion - disproportionation - free - radical substitution - pyrolysis
8. Is bonded to only one other carbon atom
primary carbon
achiral
hot - acidic potassium permanganate
initiation propagation termination
9. Zn/h or CH3/s with ozonolysis
stereoisomers
specific rotation
reducing
hybridization
10. 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-
propionaldehyde
reducing
enantiomer
amines
11. If reagent has a bunch of oxygen
oxidation
conformational isomer
ring flip
pyrolysis
12. Same molecular formula but different structure
isomer
potassium permanganate
enantiomer
oxidizing
13. Describes the exact spatial arrangement of groups of atoms independent of other molecules.
geometric isomers
ozonolysis
absolute configuration
ketone
14. Alphabetical order of alkane rxn
combustion - disproportionation - free - radical substitution - pyrolysis
oxidation
ozonolysis
sp2
15. Ozonolysis under hot acidic kmO4 - e.g. H2O2 condition
oxidizing
Combustion
formaldehyde
diol
16. Name for mathanal
electrophilic addition of X2
combustion - disproportionation - free - radical substitution - pyrolysis
formaldehyde
allyl
17. Alkene oxidized with this - strong oxidizing agent. CH3CO3H or mcpba and it makes epoxide or oxirane
peroxycarboxylic acid
sp
meso compound
absolute configuration
18. 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
configuration
sigma bond
initiation propagation termination
enantiomer
19. Rotations cancel each other out therefore no optical activity
amines
primary carbon
formaldehyde
racemic mixture
20. Carbon carbon triple bonds. Suffix-yne.
enantiomer
Alkyne
Combustion
electrophilic addition of HX
21. Common name for ethyne
geometric isomers
protic solvent
Acetylene
cold potassium permanganate
22. Nucleus lover. electron rich species that are attracked to charged atoms
Alkene
Vinyl
nucleophile
disproportionation
23. F - CL - Br - I
halogen
pyrolysis
geminal
vicinal
24. When boat flips
oxidation
ozonolysis
ozonolysis
ring flip
25. Contain carbon carbon double bonds. Use same root of alkane but end with 'ene'
ring strain
Alkene
combustion - disproportionation - free - radical substitution - pyrolysis
ozonolysis
26. How many stereoisomers can a molecule have with n chiral centers
protic solvent
2^n
enantiomer
catalytic hydrogenation
27. Monosubstituted ethylene
Vinyl
pyrolysis
halogen
angle strain
28. E of double bond act as lewis base and react with hydrogen of hx. make carbocation intermediate. use markonikovs rule
electrophilic addition of HX
fischer projection
electrophilic addition of X2
ethers
29. Same chemical formula. same atomic connectivity . different in how atoms are arranged in space
stereoisomers
Haloalkane
catalytic hydrogenation
nucleophile
30. Name for ethanal
Alkane
acetaldehyde
configuration
aprotic solvent
31. Kmno4
potassium permanganate
2^n
polymerization
oxidizing
32. Carbon with four different substituents and lack a plane of symmetry
C3H8 + 5O2 = 3CO2 + 4H2O + heat
ketone
aldehyde
chiral center
33. What are the best leaving groups?
peroxycarboxylic acid
isomer
weak bases
initiation propagation termination
34. Arise from angle strain - torsional strian and nonbonded strain
ring strain
Alkyne
ethers
ketone
35. 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
aprotic solvent
ring strain
pyrolysis
catalytic hydrogenation
36. Chain of carbons connected by single bonds with hydrogen atoms attached.
formaldehyde
catalytic hydrogenation
diol
Alkane
37. Reaction of alkane with oxygen to form carbon dioxide - water and heat.
angle strain
ozonolysis
Combustion
basicity
38. If a compound is able to rotate plane polarized light.
optical activity
polymerization
structural isomers
disproportionation
39. In which one or morehydrogen atoms are replaced with a halogen atom. via free radical substitution
ring flip
vicinal
halogenation
isomer
40. Spatial arrangement of the atoms or groups of a sterioisomer
oxidizing
formaldehyde
conformational isomer
configuration
41. Carbon double bonded to an oxygen
sp3
carboxylic acid
carbonyl
isomer
42. Functionality is specified by alkoxy- prefix. ROR
electrophilic addition of free radicals
aprotic solvent
quantum numbers
ethers
43. 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.
geminal
2^n
alkyne
molecular orbital
44. Transfer of electrions from one atome to another
quantum numbers
ionic bond
alcohol
vicinal
45. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain
pyrolysis
y- root - en -x-yne
ring flip
disproportionation
46. A = observed rotation / concentration * length
ozonolysis
saturated hydrocarbon
Vinyl
specific rotation
47. O3
ozonolysis
relative configuration
pyrolysis
catalytic hydrogenation
48. Formed by mixing different types of orbitals
ozonolysis
hybridization
amines
isomer
49. Combustion reaction occurs through a radical process
achiral
anti conformation
sigma bond
C3H8 + 5O2 = 3CO2 + 4H2O + heat
50. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced
geminal
electrophilic addition of free radicals
Ignored
hydroboration