Alcohols - Organic Flashcards
Are alcohols soluble in water
Soluble with shorter chain
Insoluble with longer chain
Why is mp and bp high in alcohols
Hydrogen bonding
What is a primary alcohol
C bonded to OH is only bonded to another C atom
What is a secondary alcohol
C bonded to OH is only bonded to 2 C atom
What is a tertiary alcohol
C bonded to OH is only bonded to 3 C atom
How can ethanol be made from crude oil
Hydration of ethene due to electrophilic addition
How can ethanol be made by fermentation
Plant carbohydrates broken down and fermented by yeast
What conditions are needed for fermentation
3 points
Enzyme in yeast
35 degree
Anaerobic conditions
What is an elimination reaction
The removal of a smaller molecule from a larger one
What conditions are needed for elimination reaction
Excess hot concentrated sulphuric acid
What formes when you oxidise a primary alcohol
An aldehyde
What forms when you fully oxidise a primary alcohol
Carboxylic acid
What forms when you oxidise a secondary alcohol
A ketone
What does Tollens agent test for
Aldehydes
What does fehling solution test for
Aldehydes
What conditions do you need to use for the fehlings solution
Heat
What does a positive test give you for fehlings solution
Brick red prep
