Alcohols

Question 1

Why does boiling temperature increase as we go along each homologous series?

Answer 1

Chain length increases

Question 2

Whats the difference between alcohols and alkabes?

Answer 2

Hydrogen bonding

Question 3

Why are small alcohols soluble in water?

Answer 3

Hydrogen bonding between h2o and alcohol

Question 4

Why are longer alcohols less soluble?

Answer 4

Larger part of the molecule is a hydrocarbon that cannot form hydrogen bonds to water molecules

Question 5

Whats the advantage of ethanol?

Answer 5

Grown from a renewable source

Question 6

Whats a sub reaction for alcohols?

Answer 6

React with halide ions and H+ ion in the presence of a concentrated acid to produce water?

Question 7

Whats a dehydration reaction?

Answer 7

heated with an acid catalyst, Oh bonded to H adjacent to form a double bond

Question 8

Whats the name of oxidation products from primary, secondary and tertiary alcohols?

Answer 8

al and then oic acid
“one”
NONE

Question 9

What happens in distillation?

Answer 9

Alcohol oxidise to an aldehyde which distils out and canot oxidise further

Question 10

What happens in reflux?

Answer 10

Alcohol oxidise to an aldehyde which condenses and drops back in and will oxidise further, mainly carboxylic acid

Question 11

In an oxidation equation what do you react the alcohol with?

Answer 11

[O]