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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. Kmno4
anti conformation
potassium permanganate
meso compound
conformational isomer
2. Most similar. same molecule only at different points in their rotation. show them with newmans projections
relative configuration
conformational isomer
C3H8 + 5O2 = 3CO2 + 4H2O + heat
basicity
3. What are the best leaving groups?
ketone
ethers
weak bases
angle strain
4. If a compound is able to rotate plane polarized light.
geminal
alkyne
optical activity
gauche conformation
5. Name for propanal
Acetylene
basicity
propionaldehyde
hot - acidic potassium permanganate
6. Not solvated
achiral
aprotic solvent
gauche conformation
hot - acidic potassium permanganate
7. Goal is to produce most stable carbocation
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8. Rotations cancel each other out therefore no optical activity
angle strain
racemic mixture
torsional strain
y- root - en -x-yne
9. Transfer of electrions from one atome to another
polymerization
ionic bond
quantum numbers
carbonyl
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-
carbonyl
halogen
gauche conformation
amines
11. A sigma bond and two pi bonds
Alkene
aldehyde
triple bond
fischer projection
12. No double bonds. it has the maximum number of hydrogens.
configuration
saturated hydrocarbon
quantum numbers
geometric isomers
13. When bond angles deviate from ideal values
angle strain
ozonolysis
ethers
alcohol
14. 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.
achiral
ring strain
molecular orbital
enantiomer
15. Three different substitutents often have plane of symmetry. and rotation of 180 will allow molecule to be superimposed on mirror image
achiral
peroxycarboxylic acid
electrophilic addition
anti conformation
16. Hydrocarbon with one or more carbon carbon triple bond
ozonolysis
isomer
alkyne
catalytic hydrogenation
17. A radical transfers a hydrogen atom to another radical and makes an alkane and alkene
eclipsed conformation
disproportionation
carboxylic acid
electrophilic addition
18. 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
meso compound
quantum numbers
electrophilic addition of H2O
19. Nucleus lover. electron rich species that are attracked to charged atoms
alcohol
nucleophile
electrophilic addition
cold potassium permanganate
20. Highest energy no separation. or 120 separation.
alkyne
electrophilic addition
ionic bond
eclipsed conformation
21. Water can be added to alkenes under acidic conditions. make carbocation. ends with alcohol
basicity
hydroboration
electrophilic addition of H2O
sp2
22. Carbon double bonded to an oxygen
initiation propagation termination
combustion - disproportionation - free - radical substitution - pyrolysis
carbonyl
mcpba
23. Name for mathanal
amines
Ignored
catalytic hydrogenation
formaldehyde
24. Carbonyl located in middle or somewhere in chane. Named with One
ketone
enantiomer
markovnikov's rule
pi bond
25. Steps of free radical substitution
potassium permanganate
ethers
initiation propagation termination
fischer projection
26. Use the Greek root for the number of carbons followed by the ending - - ane
allyl
hybridization
halogen
Alkane nomenclature
27. Carbon carbon triple bonds. Suffix-yne.
electrophilic addition of X2
Alkyne
sp3
ethers
28. Di - tri - t - sec - n -
initiation propagation termination
geminal
Ignored
allyl
29. Same molecular formula but different structure
isomer
stereoisomers
molecular orbital
2^n
30. Monosubstituted ethylene
meso compound
methylene
Vinyl
electrophilic addition of HX
31. M - chloroperoxybenzoic acid
mcpba
structural isomers
initiation propagation termination
cold potassium permanganate
32. Alkenes oxidzed with kmno4 - if made with cold - dilue - make OH on each side of double bond - diols or glycol in syn orientation
reducing
diastereomers
cold potassium permanganate
hot - acidic potassium permanganate
33. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced
gauche conformation
ionic bond
hydroboration
Alkene
34. Chain of carbons connected by single bonds with hydrogen atoms attached.
fischer projection
torsional strain
Alkane
potassium permanganate
35. In which one or morehydrogen atoms are replaced with a halogen atom. via free radical substitution
carbonyl
protic solvent
racemic mixture
halogenation
36. Two hydroxyl groups
diol
conformational isomer
absolute configuration
amines
37. Name for ethanal
conformational isomer
initiation propagation termination
chiral
acetaldehyde
38. O3
formaldehyde
carboxylic acid
ozonolysis
quantum numbers
39. Nonsuperimposable mirror image of chiral objects - a specific steroisomer.
enantiomer
potassium permanganate
saturated hydrocarbon
stereoisomers
40. Alphabetical order of alkane rxn
vicinal
combustion - disproportionation - free - radical substitution - pyrolysis
chiral center
allyl
41. Reaction of alkane with oxygen to form carbon dioxide - water and heat.
alcohol
Combustion
Alkyne
combustion - disproportionation - free - radical substitution - pyrolysis
42. Arise from angle strain - torsional strian and nonbonded strain
C3H8 + 5O2 = 3CO2 + 4H2O + heat
electrophilic addition of H2O
nonbonded strain
ring strain
43. Cleaves double bond in half - it only oxidizes the carbon to an aldehyde under reducing conditions. if ozidizing make same product as KMNO4
ozonolysis
primary carbon
structural isomers
torsional strain
44. N - l - ml - ms
protic solvent
quantum numbers
meso compound
weak bases
45. Configuration in relation to another chiral molecule. use it to determine if a molecule is an enantiomer - diastereomer - etc
relative configuration
aldehyde
oxidation
covalent bond
46. What is produced when o3 with lialh4 or nabh4
alcohol
ethers
electrophile
aprotic solvent
47. Most favorable of staggared conformations
initiation propagation termination
catalytic hydrogenation
basicity
anti conformation
48. 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.
electrophilic addition of HX
protic solvent
weak bases
diastereomers
49. Creation of long - high molecular weight polymer composed of repeating subunit called monomers. occur through a radical mechanism.
cold potassium permanganate
polymerization
hybridization
chiral center
50. Differ in position of substitutents attached to a double bond or cycloalkane. Cis or trans or e or z
optical activity
diastereomers
geometric isomers
Vinyl