CHEM 2321 Chapter 8 Addition Reactions |\ |\ |\ |\ |\ |\
of Alkenes exam with answers
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hydrohalogenation - CORRECT ANSWERS ✔✔adding |\ |\ |\ |\ |\
hydrogen and a halogen |\ |\ |\
Markonikov regiochemistry - CORRECT ANSWERS |\ |\ |\ |\ |\
✔✔halogen goes to the more-substituted C |\ |\ |\ |\ |\
anti-Markonikov regiochemistry - CORRECT ANSWERS |\ |\ |\ |\ |\
✔✔halogen goes to the less-substituted C |\ |\ |\ |\ |\
the regiochemistry of hydrohalogenation reaction is -
|\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Markonikov |\ |\
in the presence of ROOR (peroxide), the regiochemistry of
|\ |\ |\ |\ |\ |\ |\ |\
a hydrohalogenation reaction is - CORRECT ANSWERS
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✔✔anti-Markonikov
why is a hydrohalogenation reaction NOT stereospecific? -
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CORRECT ANSWERS ✔✔the carbocation is sp² and planar,
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so the nucleophile can attack from either side (racemic
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
mixture possible) |\
, acid-catalyzed hydration - CORRECT ANSWERS ✔✔adding |\ |\ |\ |\ |\ |\
H₂O catalyzed by acid
|\ |\ |\
what's the regiochemistry of acid-catalyzed hydration
|\ |\ |\ |\ |\ |\
reactions? - CORRECT ANSWERS ✔✔Markonikov (OH goes
|\ |\ |\ |\ |\ |\ |\
to more-substituted C)
|\ |\
is an acid-catalyzed hydration reaction stereospecific? -
|\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔no (can be racemic)
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how do you control equilibrium position in acid-catalyzed
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hydration reactions using H2SO4? - CORRECT ANSWERS
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✔✔diluted H₂SO₄ favors addition |\ |\ |\ |\
concentrated H₂SO₄ *with* *heat* favors elimination
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oxymercuration-demercuration - CORRECT ANSWERS |\ |\ |\ |\
✔✔mercury is used |\ |\
hydration reaction |\
what is the regiochemistry of oxymercuration-
|\ |\ |\ |\ |\
demercuration reactions? - CORRECT ANSWERS |\ |\ |\ |\ |\
✔✔Markonikov (OH goes to more-substituted C) |\ |\ |\ |\ |\
why is oxymercuration-demercuration a better method of
|\ |\ |\ |\ |\ |\ |\
hydration than acid-catalyzed hydration? - CORRECT
|\ |\ |\ |\ |\ |\
of Alkenes exam with answers
|\ |\ |\ |\
hydrohalogenation - CORRECT ANSWERS ✔✔adding |\ |\ |\ |\ |\
hydrogen and a halogen |\ |\ |\
Markonikov regiochemistry - CORRECT ANSWERS |\ |\ |\ |\ |\
✔✔halogen goes to the more-substituted C |\ |\ |\ |\ |\
anti-Markonikov regiochemistry - CORRECT ANSWERS |\ |\ |\ |\ |\
✔✔halogen goes to the less-substituted C |\ |\ |\ |\ |\
the regiochemistry of hydrohalogenation reaction is -
|\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔Markonikov |\ |\
in the presence of ROOR (peroxide), the regiochemistry of
|\ |\ |\ |\ |\ |\ |\ |\
a hydrohalogenation reaction is - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔anti-Markonikov
why is a hydrohalogenation reaction NOT stereospecific? -
|\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔the carbocation is sp² and planar,
|\ |\ |\ |\ |\ |\ |\ |\
so the nucleophile can attack from either side (racemic
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
mixture possible) |\
, acid-catalyzed hydration - CORRECT ANSWERS ✔✔adding |\ |\ |\ |\ |\ |\
H₂O catalyzed by acid
|\ |\ |\
what's the regiochemistry of acid-catalyzed hydration
|\ |\ |\ |\ |\ |\
reactions? - CORRECT ANSWERS ✔✔Markonikov (OH goes
|\ |\ |\ |\ |\ |\ |\
to more-substituted C)
|\ |\
is an acid-catalyzed hydration reaction stereospecific? -
|\ |\ |\ |\ |\ |\ |\
CORRECT ANSWERS ✔✔no (can be racemic)
|\ |\ |\ |\ |\
how do you control equilibrium position in acid-catalyzed
|\ |\ |\ |\ |\ |\ |\ |\
hydration reactions using H2SO4? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\
✔✔diluted H₂SO₄ favors addition |\ |\ |\ |\
concentrated H₂SO₄ *with* *heat* favors elimination
|\ |\ |\ |\ |\
oxymercuration-demercuration - CORRECT ANSWERS |\ |\ |\ |\
✔✔mercury is used |\ |\
hydration reaction |\
what is the regiochemistry of oxymercuration-
|\ |\ |\ |\ |\
demercuration reactions? - CORRECT ANSWERS |\ |\ |\ |\ |\
✔✔Markonikov (OH goes to more-substituted C) |\ |\ |\ |\ |\
why is oxymercuration-demercuration a better method of
|\ |\ |\ |\ |\ |\ |\
hydration than acid-catalyzed hydration? - CORRECT
|\ |\ |\ |\ |\ |\
