Alcohols

Question 1

Whats the functional group in an alcohol?

Answer 1

Hydroxyl ( -OH)

Question 2

Name the first 8 Alcohols

Answer 2

Methanol (CH3OH) , Ethanol (C2H5OH), Propan-1-ol (C3H7OH), Butan-1-ol (C4H9OH) , Pentan-1-ol (C5H11OH), Hexan-1-ol (C6H13OH) , heptan-1-ol (C7H15OH) and octan-1-ol (C8H17OH).

Question 3

Primary Alcohols

Answer 3

The OH group (hydroxyl) is attached to a carbon that is attached to one other carbon.
The Hydroxyl is at the end of the molecule.

Question 4

Secondary Alcohols

Answer 4

The OH group (hydroxyl) is attached to a carbon that is attached to two other carbons.

Question 5

Tertiary Alcohols

Answer 5

The OH group (hydroxyl) is attached to a carbon that is attached to three other carbons.

Question 6

How do you recognise a Diol?

Answer 6

An alcohol with two hydroxyl groups.

Question 7

How do you recognise a Triol?

Answer 7

Its an alcohol with three hydroxyl groups.

Question 8

What is the effect a Hydroxyl group has on the alcohols physical properties?

Answer 8

The more hydroxyl groups present the higher the melting and boiling points will be, this is because there are more hydrogen bonds present.