alcohol
- Created by: karinagrewal
- Created on: 01-07-19 08:16
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- Alcohol
- Properties
- CnH2n+1OH
- Primary = 1C to the COH
- Secondary = 2C to the COH
- Tertiary = 3C to the COH
- Polarity
- oxygen is more negative
- -OH forms H bonds with H2O
- C Chains can not
- Longer chain = less soluble
- Volatility
- Low
- High boiling point
- How easily molecules can escape
- Branching decreases boiling point = volatile
- Low
- Alkanes
- much lower boiling point
- Weak induced dipole
- -OH = hydrogen bonds
- Require more energy
- -OH forms H bonds with H2O
- C Chains can not
- Longer chain = less soluble
- -OH forms H bonds with H2O
- Require more energy
- much lower boiling point
- Combustion
- C2H5OH + 3O2 --> 2CO2+ 3H2O
- Oxidation
- Primary
- Aldehyde
- Distillation
- Reflux
- Carboxylic acid
- Distillation
- Aldehyde
- Secondary
- Carboxylic acid
- Reflux
- Ketone
- Ketone
- K2Cr2O7/H+
- Orange to green
- Primary
- Dehydration
- H2O eliminated
- Alkenes
- Acidified H2SO4 or H3PO4
- H2O eliminated
- Nucleophillic substitution
- -OH replaced by -Halide
- Acid catalyst and warmed
- Cl = HCl
- Br = NaBr + H2SO4
- I = H3PO4 based on poor yield
- Properties
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