alcohols

Question 1

what are alcohols functional group

Answer 1

OH and they end in “ol” suffix

Question 2

properties of alcohols

Answer 2

• flammable
• undergo combustion to produce carbon dioxide and water
• react with sodium to produce sodium ethoxide, sodium salt
  -reacts with carboxylic acids to make esthers
• reacts with oxygen to make carboxylic acids

Question 3

why are alcohols used as solvents

Answer 3

because they can dissolve things that water cant dissolve, such as hydrocarbons, oils and fats

Question 4

why are alcohols used as fuels

Answer 4

they burn cleanly and is less smelly

Question 5

what is fermentation

Answer 5

an anaerobic process which converts sugars into ethanol
- sugar –> ethanol + carbon dioxide

Question 6

conditions needed for fermentation

Answer 6

• sugars dissolved in water, and mixed with yeast ( a slightly acidic solution)
• warm temperature 25-35 degrees

Question 7

what happens if yeast cells needed for fermentation get too hot

Answer 7

their enzymes become denatured and fermentation stops.