2.10 Alcohols Flashcards
What is a primary alcohol?
The carbon attached to the OH group is only bonded to one carbon atom.
What is the functional group of an alcohol?
The hydroxyl functional group (-OH)
What makes an alcohol a tertiary alcohol?
The carbon attached to the OH group is bonded to 3 other carbon atoms.
What is the result for a primary alcohol when added to acidified potassium dichromate
Orange to Green
Which functional group is present when a silver mirror is formed when added to Tollens’ reagent?
CHO, as it was an Aldehyde.
What is the general equation for a dehydration (elimination) reaction?
Alcohol -> Alkene + Water
Give the chemical and word equation for the dehydration of Ethanol.
CH3CH2OH -> CH2CH2 + H2O
Ethanol to Ethene and Water
What are the benefits of using Ethanol as a biofuel?
It is from a renewable source if you use fermentation.
It is considered carbon neutral.
Cheap to produce.
What is the formula for an alcohol?
C(n)H(2n+1)OH
What are the two methods of producing ethanol?
Fermentation of glucose, using yeast.
Hydration of ethene.
What is the displayed formula for the secondary alcohol with only 3 carbons?
CH3 - CH -CH3
OH
(Propan-2-ol)
How would you get an aldehyde form a primary alcohol?
Distillation
How would you get a carboxylic acid form a primary alcohol?
Heat under reflux.
