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. Cleaves double bond in half - it only oxidizes the carbon to an aldehyde under reducing conditions. if ozidizing make same product as KMNO4
aprotic solvent
ozonolysis
Combustion
potassium permanganate
2. 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.
meso compound
nucleophile
diastereomers
stereoisomers
3. Alkene oxidized with this - strong oxidizing agent. CH3CO3H or mcpba and it makes epoxide or oxirane
markovnikov's rule
eclipsed conformation
mcpba
peroxycarboxylic acid
4. When a molecular orbital is formed head to head or tail to tail. all single bonds are tehese.
methylene
vicinal
sigma bond
reducing
5. 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
covalent bond
catalytic hydrogenation
enantiomer
oxidation
6. Diborane add to double bond. boron acts as lewis acid and attaches to less hindered carbon. hydride transferred to adjacent carbon. antimarkonikov - alcohol produced
protic solvent
oxidizing
carbonyl
hydroboration
7. No double bonds. it has the maximum number of hydrogens.
electrophilic addition of free radicals
sp
electrophile
saturated hydrocarbon
8. 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
peroxycarboxylic acid
torsional strain
enantiomer
triple bond
9. Methyl are 60 degrees apart. kinda stable
potassium permanganate
gauche conformation
alkyne
disproportionation
10. When bond angles deviate from ideal values
ozonolysis
basicity
angle strain
vicinal
11. Arise from angle strain - torsional strian and nonbonded strain
chiral center
carboxylic acid
ring strain
nucleophile
12. Iso - neo - cyclo
not ignored
lindlar's catalyst
aldehyde
nonbonded strain
13. More likely it is to attract positively charged proton. nucleophilic strength decreses: RO->HO>RCO2>ROH>H2O
basicity
chiral
vicinal
relative configuration
14. Zn/h or CH3/s with ozonolysis
halogen
gauche conformation
y- root - en -x-yne
reducing
15. M - chloroperoxybenzoic acid
angle strain
triple bond
cold potassium permanganate
mcpba
16. Nonsuperimposable mirror image of chiral objects - a specific steroisomer.
electrophilic addition of H2O
chiral
enantiomer
Alkane
17. Sharing of electron between atoms
covalent bond
electrophilic addition of HX
enantiomer
gauche conformation
18. In presence of peroxide - oxygen or ultraviolet light. antimarkonikov because they want a stable free radical. therefore X ends up on least subsituted carbon
electrophilic addition of free radicals
Alkane nomenclature
methylene
protic solvent
19. Results when cyclic molecules must assume conformations that have eclipsed interactions
torsional strain
basicity
gauche conformation
oxidation
20. Combustion reaction occurs through a radical process
C3H8 + 5O2 = 3CO2 + 4H2O + heat
achiral
sp3
electrophilic addition of HX
21. Carbon double bonded to an oxygen
hybridization
carboxylic acid
sp2
carbonyl
22. How many stereoisomers can a molecule have with n chiral centers
sigma bond
nonbonded strain
2^n
C3H8 + 5O2 = 3CO2 + 4H2O + heat
23. Di - tri - t - sec - n -
ozonolysis
meso compound
Ignored
electrophilic addition
24. Alphabetical order of alkane rxn
polymerization
molecular orbital
combustion - disproportionation - free - radical substitution - pyrolysis
chiral center
25. Monosubstituted ethylene
reducing
Vinyl
weak bases
torsional strain
26. Transfer of electrions from one atome to another
geminal
electrophilic addition of X2
Alkane nomenclature
ionic bond
27. Most favorable of staggared conformations
y- root - en -x-yne
Vinyl
molecular orbital
anti conformation
28. Diols with hydroxyl group on adjacent carbon
enantiomer
vicinal
eclipsed conformation
polymerization
29. Object that is not superimposable upon mirror image
chiral
achiral
electrophilic addition of H2O
aldehyde
30. Share molecular formula but have different chemical and physical properties
structural isomers
not ignored
methylene
electrophilic addition of free radicals
31. Hydrocarbon with one or more carbon carbon triple bond
amines
oxidation
alkyne
ionic bond
32. Chain of carbons connected by single bonds with hydrogen atoms attached.
carbonyl
formaldehyde
methylene
Alkane
33. Not solvated
Vinyl
aprotic solvent
carbonyl
reducing
34. Always receive number one. contain carbonyl and OH group - very oxidized. highest priority functional group.
electrophilic addition
protic solvent
disproportionation
carboxylic acid
35. One s and three p orbitals
sp3
electrophilic addition
basicity
stereoisomers
36. Y = position of double bond - x is position of triple bond - root is the prefix representing the length of the principal carbon chain
electrophilic addition of free radicals
y- root - en -x-yne
chiral center
halogen
37. One s and two p 120 degree apart
carboxylic acid
oxidation
sp2
ethers
38. Describes the exact spatial arrangement of groups of atoms independent of other molecules.
pi bond
geminal
absolute configuration
mcpba
39. Goal is to produce most stable carbocation
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
40. When boat flips
acetaldehyde
ring flip
hydroboration
primary carbon
41. When two p orbitals line up in parallel and electron clouds overlap. it exsits over a single bond.
ketone
quantum numbers
aldehyde
pi bond
42. Formed by mixing different types of orbitals
hybridization
carboxylic acid
triple bond
weak bases
43. Lowest priority group projects into the page
hybridization
combustion - disproportionation - free - radical substitution - pyrolysis
formaldehyde
fischer projection
44. Functionality is specified by alkoxy- prefix. ROR
ethers
Combustion
geometric isomers
electrophilic addition
45. A radical transfers a hydrogen atom to another radical and makes an alkane and alkene
initiation propagation termination
disproportionation
alkyne
mcpba
46. Highest energy no separation. or 120 separation.
sp
aldehyde
eclipsed conformation
racemic mixture
47. Same molecular formula but different structure
sp3
isomer
vicinal
combustion - disproportionation - free - radical substitution - pyrolysis
48. Same chemical formula. same atomic connectivity . different in how atoms are arranged in space
electrophilic addition of X2
polymerization
halogenation
stereoisomers
49. O3
electrophile
y- root - en -x-yne
Alkane nomenclature
ozonolysis
50. Steps of free radical substitution
relative configuration
initiation propagation termination
meso compound
not ignored