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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. Compounds with halogen
quantum numbers
markovnikov's rule
Haloalkane
formaldehyde
2. N - l - ml - ms
Alkene
C3H8 + 5O2 = 3CO2 + 4H2O + heat
quantum numbers
hot - acidic potassium permanganate
3. When a molecular orbital is formed head to head or tail to tail. all single bonds are tehese.
markovnikov's rule
ionic bond
sigma bond
2^n
4. Electrons of pi bond are reactive and easily attacked by molecules that want e pair e.g. electrophiles.
angle strain
triple bond
electrophilic addition
peroxycarboxylic acid
5. Lowest priority group projects into the page
weak bases
halogenation
conformational isomer
fischer projection
6. Differ in position of substitutents attached to a double bond or cycloalkane. Cis or trans or e or z
geometric isomers
sp3
racemic mixture
oxidizing
7. Creation of long - high molecular weight polymer composed of repeating subunit called monomers. occur through a radical mechanism.
Haloalkane
geminal
polymerization
peroxycarboxylic acid
8. A molecule with an internal plane of symmetry
meso compound
nucleophile
ring flip
Combustion
9. Is bonded to only one other carbon atom
Vinyl
chiral
primary carbon
Alkane nomenclature
10. Carbon carbon triple bonds. Suffix-yne.
markovnikov's rule
halogen
Alkyne
racemic mixture
11. Functionality is specified by alkoxy- prefix. ROR
ethers
geminal
electrophilic addition of H2O
ring strain
12. Carbonyl located in middle or somewhere in chane. Named with One
C3H8 + 5O2 = 3CO2 + 4H2O + heat
mcpba
ketone
catalytic hydrogenation
13. Reaction of alkane with oxygen to form carbon dioxide - water and heat.
Haloalkane
stereoisomers
markovnikov's rule
Combustion
14. Same molecular formula but different structure
chiral
amines
isomer
halogenation
15. 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
enantiomer
Alkane
eclipsed conformation
protic solvent
16. Sharing of electron between atoms
electrophilic addition of HX
weak bases
nonbonded strain
covalent bond
17. Monosubstituted ethylene
ring flip
halogenation
Vinyl
covalent bond
18. Spatial arrangement of the atoms or groups of a sterioisomer
angle strain
configuration
enantiomer
oxidation
19. Methyl are 60 degrees apart. kinda stable
Acetylene
ozonolysis
molecular orbital
gauche conformation
20. What is produced when o3 with lialh4 or nabh4
electrophilic addition of X2
fischer projection
2^n
alcohol
21. If a compound is able to rotate plane polarized light.
carbonyl
chiral
optical activity
ozonolysis
22. Use the Greek root for the number of carbons followed by the ending - - ane
mcpba
Alkane nomenclature
allyl
2^n
23. Two p orbital form pi and third p orbital combine with s to make two sp hybrid. 180 degree apart
chiral center
sp
covalent bond
methylene
24. A sigma bond and two pi bonds
methylene
triple bond
chiral
anti conformation
25. Carbon double bonded to an oxygen
2^n
Combustion
electrophilic addition of H2O
carbonyl
26. O3
allyl
nonbonded strain
ozonolysis
eclipsed conformation
27. If reagent has a bunch of oxygen
oxidation
fischer projection
reducing
torsional strain
28. Formed by mixing different types of orbitals
ozonolysis
diastereomers
Alkyne
hybridization
29. When two p orbitals line up in parallel and electron clouds overlap. it exsits over a single bond.
fischer projection
ozonolysis
carboxylic acid
pi bond
30. When boat flips
racemic mixture
ring flip
hybridization
relative configuration
31. Iso - neo - cyclo
racemic mixture
triple bond
achiral
not ignored
32. More likely it is to attract positively charged proton. nucleophilic strength decreses: RO->HO>RCO2>ROH>H2O
carbonyl
basicity
sigma bond
cold potassium permanganate
33. Same chemical formula. same atomic connectivity . different in how atoms are arranged in space
enantiomer
stereoisomers
cold potassium permanganate
carboxylic acid
34. In presence of peroxide - oxygen or ultraviolet light. antimarkonikov because they want a stable free radical. therefore X ends up on least subsituted carbon
hydroboration
ring flip
electrophilic addition of free radicals
aldehyde
35. Chain of carbons connected by single bonds with hydrogen atoms attached.
halogen
C3H8 + 5O2 = 3CO2 + 4H2O + heat
ozonolysis
Alkane
36. Combustion reaction occurs through a radical process
torsional strain
C3H8 + 5O2 = 3CO2 + 4H2O + heat
geometric isomers
pyrolysis
37. What are the best leaving groups?
weak bases
potassium permanganate
torsional strain
Alkane nomenclature
38. In which one or morehydrogen atoms are replaced with a halogen atom. via free radical substitution
alcohol
halogen
isomer
halogenation
39. Kmno4
mcpba
aprotic solvent
potassium permanganate
carboxylic acid
40. Rotations cancel each other out therefore no optical activity
pyrolysis
racemic mixture
protic solvent
quantum numbers
41. Object that is not superimposable upon mirror image
specific rotation
chiral
alkyne
formaldehyde
42. A radical transfers a hydrogen atom to another radical and makes an alkane and alkene
disproportionation
stereoisomers
Alkane nomenclature
geminal
43. Goal is to produce most stable carbocation
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44. Alphabetical order of alkane rxn
ionic bond
combustion - disproportionation - free - radical substitution - pyrolysis
ethers
gauche conformation
45. Most favorable of staggared conformations
polymerization
basicity
electrophilic addition of free radicals
anti conformation
46. Contain carbon carbon double bonds. Use same root of alkane but end with 'ene'
initiation propagation termination
halogenation
protic solvent
Alkene
47. Name for mathanal
basicity
Vinyl
electrophilic addition of HX
formaldehyde
48. One s and two p 120 degree apart
protic solvent
sp2
conformational isomer
C3H8 + 5O2 = 3CO2 + 4H2O + heat
49. 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
electrophilic addition of HX
Haloalkane
enantiomer
alkyne
50. Configuration in relation to another chiral molecule. use it to determine if a molecule is an enantiomer - diastereomer - etc
torsional strain
configuration
ketone
relative configuration