COOH and Esters

Question 1

what effects COOH solubility

Answer 1

Short chain : dissolves easily bc hydrocarbon chain part of the molecule is relatively chain

longer chain : part is longer even though COOH dissolves well it is cancelled out

Question 2

what can COOH act as

Answer 2

Proton donor

Question 3

what are all COOH

Answer 3

weak acids

Question 4

give 2 industrial advantages , other than cost, of using ethanoic anhydride rather than ethanoyl chloride in production of aspirin

Answer 4

advantages:
- less corrosive
- less vigorous
- less volatile
- less dangerous to use

Question 5

What is biodiesel

Answer 5

a mixture of methyl esters

Question 6

what are some common uses of esters

Answer 6

solvents , plasticisers, perfumes, food flavourings

Question 7

define hydrolysis

Answer 7

breaking a covalent bond using h2o

Question 8

what is the product of acid catalysed hydrolysis

Answer 8

COOH and alcohol

Question 9

what is the product of base catalysed hydrolysis

Answer 9

salt and alcohol

Question 10

carboxylic salt thats formed from base hydrolysis can be used as

Answer 10

SOAP