alcohols

Question 1

what is the functional group for alcohols

Answer 1

-OH

a hydroxyl group

Question 2

what is the homologous series of alcohols

Answer 2

The homologous series of alcohols have the general formula CnH2n+1 OH

Question 3

formula of methanol

Answer 3

CH3OH

Question 4

formula of ethanol

Answer 4

CH3CH2OH

Question 5

formula of propanol

Answer 5

CH3CH2CH2OH

Question 6

formula of butanol

Answer 6

CH3CH2CH2CH2OH

Question 7

first 4 alcohols

Answer 7

methanol
ethanol
propanol
butanol

Question 8

what is the equation for the complete combustion of methanol

Answer 8

The equation for the complete combustion of methanol is:

2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l

Question 9

sodium + alcohol —>

Answer 9

sodium + alcohol —> hydrogen is produced

Question 10

alcohol + strong oxidising agent –>

Answer 10

alcohol + strong oxidising agent –> a carboxylic acid is produced + water

Question 11

alcohol + water –>

Answer 11

alcohol + water –> they dissolve to give neutral solutions

Question 12

alcohol + air and heat –>

Answer 12

alcohol + air and heat –> carbon dioxide + water

Question 13

what is the process of fermentation

Answer 13

adding yeast to a sugar solution

Question 14

what products does fermentation form?

Answer 14

• An aqueous solution of ethanol

- Carbon dioxide

Question 15

what are the ideal conditions for the fermentation of sugar using yeast

Answer 15

The ideal conditions for the fermentation of sugar using yeast are:
A temperature of 37°C.
A solution that is slightly acidic
In the absence of oxygen (anaerobic)