Alcohol
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What is the alcohol in alcoholic drinks?
Ethanol
What can alcohol be imagined as derived from?
Alkanes
How can alcohols be imagined as being derived from alkanes?
They can be described as being derived from alkanes by replacing a H atom by an -OH group
What is the -OH group called?
The hydroxyl group
What is the functional group in alcohols?
The hydroxyl group
Define a functional group.
A functional group is an atom or group of atoms which is responsible for the characteristic properties of an organic compound or a series of organic compounds
What is the functional group of the alkanes?
The C-C single bond
What is the functional group of the alkenes?
The C=C double bond
What is the functional group of the alkynes?
The C=C triple bond
What is the general formula of the alcohols?
CnH2n+1 OH
What is the shape around the carbon atoms in an alcohol?
The shape around each of the carbon atoms is a tetrahedral shape
What is the shape of the -OH functional group?
It is V-shaped
How are alcohols named?
They are named from their corresponding alkanes by changing the -e ending to -ol
What is the alcohol corresponding to methane?
Methanol
What is the alcohol corresponding to ethane?
Ethanol
What is the alcohol corresponding to propane?
Propanol
How can you classify alcohols?
Primary Secondary Tertiary
Define a primary alcohol.
A primary alcohol is one where the carbon atom joined to the -OH group is attached to only one other carbon atom
Give an example of a primary alcohol.
Ethanol
What letter is used to represent an alkyl group?
The letter R
What does the letter R represent?
An alkyl group
Give some examples of an alkyl group. 2
A methyl group An ethyl group
What is the chemical formula of a methyl group?
-CH3
What is the chemical formula of an ethyl group?
-C2H5