Alcohol Flashcards
Alc functional grp
R—OH
Alc classification
# R bonded to the C w/ OH grp # OH grp
R bonded to the C w/ OH grp
Primary
Secondary
Tertiary
OH grp
Monohydric
Dihydric
Polyhydric
Nomenclature of Alc
Common names
Derived names frm CARBINOL
IUPAC
Common names often used
Name of Alkyl grp + Alc
CH3OH: Methyl Alc
Derived names frm CARBINOL eg
CH3CH2OH: Methyl carbinol
Carbinol
Old name of Methanol
IUPAC Rules
Parent chain has -OH
-OH given to the lower #
Name ending in -OL
CH3CH2CH2OH
Common: n propyl alc
Derived: ethyl carbinol
IUPAC: 1-propanol
CH3CHCH3OH
Common: isopropanyl alc
Derived: dimethyl carbinol
IUPAC: 2 propanol
Oxadation rgt
K2Cr2O7
Primary alc
Aldehyde
Carboxylic acid
Secondary alc
Ketone
Lucas Rgt
Zinc: catalyst
conc. HCl: reactant
Involves double replacement
Lucas Test
Most reactive in Lucas Test
Tertiary alc
No rxn in Oxidation test
Tertiary alc
Don’t undergo rxn easily in Lucas Test
Needs heat
Primary alc
Lucas test result
2 immiscible layers
Usually undergone by methanol & ethanol
Dehydration
OH grp bonds
Ion-dipole
H bonds
Enhance water solubility
OH grp
Esterified to form products
Alc
