SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced
formaldehyde
propionaldehyde
hydroboration
amines
2. More likely it is to attract positively charged proton. nucleophilic strength decreses: RO->HO>RCO2>ROH>H2O
catalytic hydrogenation
basicity
diastereomers
anti conformation
3. Two p orbital form pi and third p orbital combine with s to make two sp hybrid. 180 degree apart
enantiomer
disproportionation
sp
cold potassium permanganate
4. Carbon double bonded to an oxygen
catalytic hydrogenation
oxidation
Alkyne
carbonyl
5. Use the Greek root for the number of carbons followed by the ending - - ane
ketone
potassium permanganate
Alkane nomenclature
sigma bond
6. Lowest priority group projects into the page
fischer projection
initiation propagation termination
hybridization
geminal
7. Goal is to produce most stable carbocation
8. Propylenes attached to a backbone at the C-3 position. Meaning the double bond at end of the chain and single bonded carbon at rest
angle strain
allyl
mcpba
achiral
9. Not solvated
propionaldehyde
aprotic solvent
carbonyl
amines
10. Spatial arrangement of the atoms or groups of a sterioisomer
molecular orbital
triple bond
configuration
carboxylic acid
11. Arise from angle strain - torsional strian and nonbonded strain
primary carbon
optical activity
propionaldehyde
ring strain
12. 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.
Haloalkane
nonbonded strain
meso compound
initiation propagation termination
13. Water can be added to alkenes under acidic conditions. make carbocation. ends with alcohol
electrophilic addition of H2O
anti conformation
sp2
Haloalkane
14. 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-
combustion - disproportionation - free - radical substitution - pyrolysis
gauche conformation
electrophilic addition of X2
amines
15. Object that is not superimposable upon mirror image
chiral
electrophilic addition of H2O
absolute configuration
y- root - en -x-yne
16. 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.
molecular orbital
oxidation
electrophile
relative configuration
17. One s and two p 120 degree apart
sp2
2^n
allyl
not ignored
18. N - l - ml - ms
quantum numbers
optical activity
Alkene
catalytic hydrogenation
19. Electrons of pi bond are reactive and easily attacked by molecules that want e pair e.g. electrophiles.
electrophilic addition
ionic bond
Alkane nomenclature
gauche conformation
20. Nucleus lover. electron rich species that are attracked to charged atoms
electrophilic addition of free radicals
Acetylene
stereoisomers
nucleophile
21. Refers to the =CH2 group
meso compound
methylene
not ignored
ozonolysis
22. Alkene oxidized with this - strong oxidizing agent. CH3CO3H or mcpba and it makes epoxide or oxirane
peroxycarboxylic acid
not ignored
gauche conformation
primary carbon
23. Nonsuperimposable mirror image of chiral objects - a specific steroisomer.
quantum numbers
geminal
alkyne
enantiomer
24. One s and three p orbitals
sp3
aprotic solvent
formaldehyde
structural isomers
25. When a molecular orbital is formed head to head or tail to tail. all single bonds are tehese.
Acetylene
diol
sigma bond
oxidizing
26. Di - tri - t - sec - n -
formaldehyde
Ignored
isomer
cold potassium permanganate
27. Same chemical formula. same atomic connectivity . different in how atoms are arranged in space
optical activity
pyrolysis
Ignored
stereoisomers
28. Contain carbon carbon double bonds. Use same root of alkane but end with 'ene'
sp2
Alkene
chiral center
potassium permanganate
29. How many stereoisomers can a molecule have with n chiral centers
enantiomer
2^n
sigma bond
not ignored
30. 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
angle strain
oxidizing
isomer
protic solvent
31. 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
aldehyde
hybridization
nucleophile
catalytic hydrogenation
32. A sigma bond and two pi bonds
triple bond
Combustion
quantum numbers
sp
33. Charged - need electrons
nucleophile
nonbonded strain
electrophile
mcpba
34. Reaction of alkane with oxygen to form carbon dioxide - water and heat.
absolute configuration
protic solvent
Combustion
eclipsed conformation
35. Carbon with four different substituents and lack a plane of symmetry
chiral center
quantum numbers
primary carbon
markovnikov's rule
36. Most similar. same molecule only at different points in their rotation. show them with newmans projections
conformational isomer
catalytic hydrogenation
triple bond
reducing
37. Carbonyl located at the end of the chain named by replacing al with e. e.g. butanal
aldehyde
Ignored
Acetylene
angle strain
38. 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
enantiomer
angle strain
triple bond
amines
39. Functionality is specified by alkoxy- prefix. ROR
ethers
alcohol
optical activity
racemic mixture
40. Combustion reaction occurs through a radical process
C3H8 + 5O2 = 3CO2 + 4H2O + heat
electrophile
ring flip
ionic bond
41. Ozonolysis under hot acidic kmO4 - e.g. H2O2 condition
oxidizing
geometric isomers
polymerization
electrophilic addition of H2O
42. If a compound is able to rotate plane polarized light.
nonbonded strain
disproportionation
optical activity
conformational isomer
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
angle strain
oxidizing
geometric isomers
44. Compounds with halogen
racemic mixture
enantiomer
Alkyne
Haloalkane
45. Name for mathanal
formaldehyde
electrophilic addition
hydroboration
halogenation
46. Same molecular formula but different structure
isomer
oxidizing
mcpba
oxidation
47. Kmno4
Vinyl
diol
y- root - en -x-yne
potassium permanganate
48. Diols with hydroxyl group on adjacent carbon
aldehyde
vicinal
isomer
electrophilic addition
49. When bond angles deviate from ideal values
Alkene
diastereomers
basicity
angle strain
50. Carbon carbon triple bonds. Suffix-yne.
weak bases
enantiomer
alcohol
Alkyne