carboxylic acid and esters

Question 1

structure of esters

Answer 1

rcoor

Question 2

structure of carboxylic acid

Answer 2

cooh

Question 3

what are carboxylic acids

Answer 3

weak acids so partially dissolve in water but will liberates co2 from carbonate

Question 4

how dow carboxylic acid and alcohols react

Answer 4

in the presence if sulphuric acid catalyst to give esters, first part of name is alcohol and second part is the acid

Question 5

common uses of esters

Answer 5

solvents, plasticisers, perfume, food colouring

Question 6

what are vegetable oil and animal fats esters of

Answer 6

propane- 1,2,3- triol

Question 7

how can esters form alcohol/ carboxylic acid

Answer 7

they are hydrolysed in acid or alkaline conditions

Question 8

what do vegetable oil and animal fats give when hydrolysed in alkaline conditions

Answer 8

soap and glycerol because animal fats are saturated while vegetable fats are unsaturated, the kinks caused by double bond will reduce forces present

Question 9

what is biodiesel a mixture of

Answer 9

methyl esters of long chain carboxylic acid

Question 10

how is biodiesel produced

Answer 10

reacting vegetable oil with methanol in the presence of a catalyst