Alcohols Flashcards
A compound that contains an -OH (hydroxyl group) bonded to a tetrahedral carbon.
CHOICES:
methanol, Alcohols, 1° alcohols, 2° alcohols, 3° alcohols, Dehydration, Phenols, Thiol, nonpolar covalent
alcohol
the simplest alcohol
CHOICES:
methanol, Alcohols, 1° alcohols, 2° alcohols, 3° alcohols, Dehydration, Phenols, Thiol, nonpolar covalent
methanol
The C-O and O-H bonds are both polar covalent. True or False
True
ethane is soluble in water. True or False
False - insoluble
pentane is soluble in water. True or False
False - insoluble
Alcohols have about the same pKa values as water. True or False
True
Alcohols and phenols both
contain an NH group. True or False
False - OH group
__________ are weak acids and react with NaOH and other strong bases to form water-soluble salts.
CHOICES:
methanol, Alcohols, 1° alcohols, 2° alcohols, 3° alcohols, Dehydration, Phenols, Thiol, nonpolar covalent
Phenols
___________ are weaker acids than phenols and do not react in this manner.
CHOICES:
methanol, Alcohols, 1° alcohols, 2° alcohols, 3° alcohols, Dehydration, Phenols, Thiol, nonpolar covalent
Alcohols
Elimination of a molecule of water from adjacent carbon atoms that gives an alkene.
CHOICES:
methanol, Alcohols, 1° alcohols, 2° alcohols, 3° alcohols, Dehydration, Phenols, Thiol, nonpolar covalent
Dehydration
Dehydration is most often brought about by heating alcohol with either 75% H3PO4 or concentrated H2SO4. True or False
False - 85%
the most difficult to dehydrate and require temperatures as
high as 180°C.
CHOICES:
methanol, Alcohols, 1° alcohols, 2° alcohols, 3° alcohols, Dehydration, Phenols, Thiol, nonpolar covalent
1° alcohols
undergo acid-catalyzed dehydration at somewhat lower
temperatures.
CHOICES:
methanol, Alcohols, 1° alcohols, 2° alcohols, 3° alcohols, Dehydration, Phenols, Thiol, nonpolar covalent
2° alcohols
generally undergo acid-catalyzed dehydration at temperatures only slightly above room temperature.
CHOICES:
methanol, Alcohols, 1° alcohols, 2° alcohols, 3° alcohols, Dehydration, Phenols, CHOICES:
methanol, Alcohols, 1° alcohols, 2° alcohols, 3° alcohols, Dehydration, Phenols, Thiol, nonpolar covalent
3° alcohols
When isomeric alkenes are obtained, the alkene having the greater number of alkyl groups on the double bond generally predominates. True or False
True