1. Chemsheets AS006 (Electron arrangement)
01/01/2019
CARBOXYLIC ACIDS & ESTERS
© A June-2016

2. CARBOXYLIC ACIDS methanoic acid ethanoic acid benzenecarboxylic acid
(benzoic acid)
3-methylbutanoic acid
© A June-2016

5. ethanol
ethanoic acid

9. CARBOXYLIC ACIDS Weak acids:
© A June-2016

10. Only a small fraction of the molecules ionise
STRONG acid
HX → H+ + X-
All molecules ionise
WEAK acid
HX ⇌H+ + X-
Only a small fraction of the molecules ionise
© A June-2016

11. ESTERS ethyl methanoate ethyl propanoate 2-methylpropyl ethanoate
methyl benzenecarboxylate
(methyl benzoate)
© A June-2016

12. ESTERS
esterification
ester hydrolysis
saponification

13. ESTERS
Natural & artificial flavourings

14. ESTERS
Solvents
Plasticisers
Perfumes