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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. Alphabetical order of alkane rxn
initiation propagation termination
saturated hydrocarbon
Alkane nomenclature
combustion - disproportionation - free - radical substitution - pyrolysis
2. One s and three p orbitals
sp2
torsional strain
sp3
electrophilic addition of free radicals
3. Carbon carbon triple bonds. Suffix-yne.
absolute configuration
y- root - en -x-yne
conformational isomer
Alkyne
4. Kmno4
ethers
meso compound
electrophilic addition of free radicals
potassium permanganate
5. Fast process. double bond is nucleophile and attack x2. make cyclic halonium ion with either br or cl. and make dihalo trans
peroxycarboxylic acid
electrophilic addition of X2
diastereomers
disproportionation
6. Steps of free radical substitution
pyrolysis
initiation propagation termination
diol
alcohol
7. Spatial arrangement of the atoms or groups of a sterioisomer
ketone
mcpba
halogen
configuration
8. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain
basicity
y- root - en -x-yne
Combustion
configuration
9. Configuration in relation to another chiral molecule. use it to determine if a molecule is an enantiomer - diastereomer - etc
acetaldehyde
covalent bond
isomer
relative configuration
10. Carbon with four different substituents and lack a plane of symmetry
ring strain
combustion - disproportionation - free - radical substitution - pyrolysis
achiral
chiral center
11. Reaction of alkane with oxygen to form carbon dioxide - water and heat.
Alkene
covalent bond
formaldehyde
Combustion
12. Alkenes oxidzed with kmno4 - if made with cold - dilue - make OH on each side of double bond - diols or glycol in syn orientation
primary carbon
electrophilic addition of free radicals
not ignored
cold potassium permanganate
13. Rotations cancel each other out therefore no optical activity
acetaldehyde
racemic mixture
C3H8 + 5O2 = 3CO2 + 4H2O + heat
gauche conformation
14. Highest energy no separation. or 120 separation.
halogenation
eclipsed conformation
configuration
electrophilic addition of free radicals
15. In which one or morehydrogen atoms are replaced with a halogen atom. via free radical substitution
hot - acidic potassium permanganate
covalent bond
carbonyl
halogenation
16. Name for propanal
oxidation
geminal
molecular orbital
propionaldehyde
17. Carbonyl located in middle or somewhere in chane. Named with One
carbonyl
anti conformation
ketone
allyl
18. 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.
ionic bond
optical activity
diastereomers
conformational isomer
19. When bond angles deviate from ideal values
Acetylene
initiation propagation termination
ionic bond
angle strain
20. More likely it is to attract positively charged proton. nucleophilic strength decreses: RO->HO>RCO2>ROH>H2O
chiral center
basicity
propionaldehyde
hot - acidic potassium permanganate
21. Carbon double bonded to an oxygen
alkyne
carbonyl
Alkane nomenclature
markovnikov's rule
22. 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
electrophile
amines
alcohol
enantiomer
23. Functionality is specified by alkoxy- prefix. ROR
ketone
ethers
cold potassium permanganate
gauche conformation
24. Results when cyclic molecules must assume conformations that have eclipsed interactions
torsional strain
ozonolysis
C3H8 + 5O2 = 3CO2 + 4H2O + heat
lindlar's catalyst
25. Chain of carbons connected by single bonds with hydrogen atoms attached.
halogenation
ring strain
fischer projection
Alkane
26. A molecule with an internal plane of symmetry
meso compound
stereoisomers
disproportionation
formaldehyde
27. Common name for ethyne
anti conformation
vicinal
Acetylene
ketone
28. Formed by mixing different types of orbitals
hybridization
Alkane
pi bond
chiral center
29. Sharing of electron between atoms
hot - acidic potassium permanganate
peroxycarboxylic acid
quantum numbers
covalent bond
30. Monosubstituted ethylene
fischer projection
primary carbon
methylene
Vinyl
31. Two hydroxyl groups
diol
formaldehyde
sigma bond
electrophilic addition of X2
32. One s and two p 120 degree apart
anti conformation
vicinal
electrophilic addition of X2
sp2
33. Use the Greek root for the number of carbons followed by the ending - - ane
carbonyl
Alkane nomenclature
Alkene
fischer projection
34. Methyl are 60 degrees apart. kinda stable
electrophile
structural isomers
lindlar's catalyst
gauche conformation
35. What is produced when o3 with lialh4 or nabh4
electrophilic addition
alcohol
geometric isomers
allyl
36. Diol with hydroxyl group on same carbon
geminal
Alkane nomenclature
quantum numbers
gauche conformation
37. N - l - ml - ms
eclipsed conformation
quantum numbers
halogenation
relative configuration
38. Not solvated
Haloalkane
aprotic solvent
C3H8 + 5O2 = 3CO2 + 4H2O + heat
ring strain
39. Two p orbital form pi and third p orbital combine with s to make two sp hybrid. 180 degree apart
electrophilic addition of HX
vicinal
torsional strain
sp
40. A radical transfers a hydrogen atom to another radical and makes an alkane and alkene
electrophile
disproportionation
y- root - en -x-yne
electrophilic addition of X2
41. If reagent has a bunch of oxygen
oxidation
gauche conformation
Alkene
electrophilic addition of HX
42. Nonsuperimposable mirror image of chiral objects - a specific steroisomer.
electrophilic addition of H2O
enantiomer
fischer projection
stereoisomers
43. Electrons of pi bond are reactive and easily attacked by molecules that want e pair e.g. electrophiles.
electrophilic addition of HX
peroxycarboxylic acid
electrophilic addition
initiation propagation termination
44. Describes the exact spatial arrangement of groups of atoms independent of other molecules.
absolute configuration
ozonolysis
electrophilic addition of free radicals
aprotic solvent
45. Cleaves double bond in half - it only oxidizes the carbon to an aldehyde under reducing conditions. if ozidizing make same product as KMNO4
aldehyde
ozonolysis
carboxylic acid
specific rotation
46. Carbonyl located at the end of the chain named by replacing al with e. e.g. butanal
allyl
alkyne
aldehyde
torsional strain
47. Diols with hydroxyl group on adjacent carbon
acetaldehyde
vicinal
gauche conformation
chiral center
48. Object that is not superimposable upon mirror image
chiral
electrophilic addition of free radicals
quantum numbers
Haloalkane
49. Name for mathanal
meso compound
ozonolysis
achiral
formaldehyde
50. Three different substitutents often have plane of symmetry. and rotation of 180 will allow molecule to be superimposed on mirror image
propionaldehyde
oxidizing
hydroboration
achiral