Alcohols Flashcards
1
Q
What is direct hydration
A
Preparation of ethanol by hydration
Of ethane using phosphoric acid, 300 degrees and 60 atm pressure
2
Q
Advantages of direct hydration
A
Speed - 1 hour
Complete
3
Q
Advantages of fermentation
A
Source - sugar beat
Conditions - 37 degrees and yeast
4
Q
Disadvantages of direct hydration
A
Source - crude oil
Conditions - harsh
5
Q
Disadvantages of fermentation
A
Speed - 6 months
Only 10% completion
6
Q
How do alcohols burn
A
Like alkanes and alkenes to produce CO2 and H2O
They can oxidise to form carboxylic acids
Slow reaction if left open to air, and can be speeded up by using acidified potassium dichromate
