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WorksheetsExam #3 Review
Total questions: 29
Worksheet time: 55mins
Alkenes undergo
(a)
Carbocation Stability
Tertiary
Secondary
Primary
Draw the mechanism
Carbocation intermediates can be rearranged by two methods (a) , (b)
Why can carbon combine with itself to make substances that have very different properties? (ex. graphite and diamond).
Because of carbon's 4 valence electrons it can form a variety of bonds with other carbons.
Because carbon is polar it can combine in a variety of ways.
Because carbon will either give or take 4 electrons so it can form various substances
Because carbon forms cations it combines in various ways.
Name the following compound
Benzene
Benzol
Phenyl
Phenol
Use your understanding of the bonding in benzene to identify the compound that has the most exothermic enthalpy of hydrogenation.
Why does aromatic compounds prefer to undergo electrophilic substitution reaction?
Aromatic compounds are electron rich so they attract electrophiles
Aromatic compounds are electron rich so they attract nucleophiles
Aromatic compounds are electron poor so they attract electrophiles
Aromatic compounds are electron poor so they attract nucleophiles
Aromatic
Anti-aromatic
Non-aromatic
Aromatic
Anti-Aromatic
Non-Aromatic
Aromatic
Anti-Aromatic
Non-aromatic
Name the structure shown in the image:
But-1-ene
But-4-yne
But-2-yne
But-1-yne
What is the expected product?
What is the expected product?
Which conditions produce an aldehyde?
Under which conditions might you see evidence of carbocation rearrangement?
1. O3, −78 °C
2. CH3SCH3
1. BH3-THF
2. H2O2, NaOH
HBr
1. Hg(OAc)2, H2O
2. NaBH4
Which is the expected product?
"full"
saturated
unsaturated
supersaturated
aqueous
"not full"
saturated
unsaturated
supersaturated
aqueous
Is this showing an endothermic or an exothermic reaction?
Endothermic
Exothermic
Which letter represents the products?
A
B
C
D
E
Which letter represents the transition state?
A
B
C
D
E
Hydroboration-oxidation is overall a --- addition of water
(a)
The hydroboration of an internal alkyne creates a ---, of a terminal alkyne creates a ---
Conjugated double bond are separated by...
two single bonds
one double bond
one single bond
two double bonds
Diels-Alder reactions occur within conjugated dienes.
True
False
