alcohols

Question 1

what elements does alcohol contain?

Answer 1

carbon, hydrogen, oxygen

Question 2

what is the hydroxyl functional group of alcohol?

Answer 2

O-H

Question 3

what is alcohol also known as?

Answer 3

hydrocarbon

Question 4

what is the general formula of alcohol?

Answer 4

Cn H2n+1 OH

Question 5

Is alcohol soluble in water?

Answer 5

yes

Question 6

What happens as the molar mass of alcohol increases?

Answer 6

solubility of alcohols decreases

Question 7

why is there high amount of alcohol in sanitisers?

Answer 7

breaks apart viruses and bacteria into pieces

Question 8

what are the two ways to prepare alcohol?

Answer 8

1. fermentation of sugar

2. hydration of alkenes

Question 9

what is the equation for fermentation of sugar?

Answer 9

glucose -> ethanol + CO2 (20%, absence of air)

Question 10

what is hydration of alkenes?

Answer 10

adding gaseous water to alkenes to form alcohol

Question 11

what are the two chemical properties of alcohol?

Answer 11

combustion and oxidation

Question 12

what is the equation for combustion?

Answer 12

alcohol + oxygen -> CO2 + H20

Question 13

what is the equation for oxidation?

Answer 13

ethanol -> ethanoic acid + H2O (oxygen, acidified potassium manganate VII)