1. Creating an Ester
Year 10 Science

2. R Groups

3. R Groups Meth C1 Eth C2 Prop C3 But C4 Pent C5 Hex C6 Hept C7 Oct C8
Non C9
Dec C10

4. Word Equation

5. Word Equation
Alcohol + Carboxylic Acid  Ester + Water

6. Word Equation Chemical Equation
Alcohol + Carboxylic Acid  Ester + Water
Chemical Equation O O
H2SO4
R’-OH + R-C-OH R-C-O-R’ + H2O

7. Word Equation Example:
Ethanol + Ethanoic Acid  Ethyl Ethanoate + Water

8. Alcohol

9. Alcohol
Functional Group:

10. Alcohol
Functional Group:
– OH

11. Alcohol
Ethanol

12. Alcohol
Ethanol
Chemical Formula?

13. Alcohol
Ethanol
ROH

14. Alcohol
Ethanol
C2H5OH

15. Alcohol
Ethanol
Chemical Structure?
C2H5OH

16. Alcohol
Ethanol
H – O R
C2H5OH

17. Alcohol
Ethanol H H
H – O
C - C H H H
C2H5OH

18. Alcohol
Ethanol H H
H – O
C - C H H H
C2H5OH
Functional Group?

19. Alcohol
Ethanol H H
H – O
C - C H H H
C2H5OH

20. Carboxylic Acid

21. Carboxylic Acid
Functional Group:

22. Carboxylic Acid
Functional Group:
– COOH

23. Carboxylic Acid
Ethanoic Acid

24. Carboxylic Acid
Ethanoic Acid
Chemical Formula?

25. Carboxylic Acid
Ethanoic Acid
RCOOH

26. Carboxylic Acid
Ethanoic Acid
CH3COOH

27. Carboxylic Acid
Ethanoic Acid
Chemical Structure?
CH3COOH

28. Carboxylic Acid
Ethanoic Acid O
R - C
O – H
CH3COOH

29. Carboxylic Acid
Ethanoic Acid H O H
C - C
O – H H
CH3COOH

30. Carboxylic Acid Ethanoic Acid O H O – H H C - C H CH3COOH
Functional Group?

31. Carboxylic Acid
Ethanoic Acid H O H
C - C
O – H H
CH3COOH

32. Reaction
Carboxylic Acid Alcohol

33. Reaction
Carboxylic Acid Alcohol O
R – C – O – H
H – O – R’

34. Reaction
Carboxylic Acid Alcohol O
R – C – O – H
H – O – R’

35. Reaction
Carboxylic Acid Alcohol O
– R’
R – C – O
H –
O – H

36. Ester
R-oate R’-yl O
R – C – O – R’

37. Ester
R-oate R’-yl O
R – C – O – R’
Functional Group:

38. Ester
R-oate R’-yl O
R – C – O – R’
Functional Group: -COO-

39. Ester
R-oate R’-yl O
R – C – O – R’
Functional Group: -COO-

40. Ester R’-yl R-oate O R – C – O – R’ Functional Group: -COO-
R’-yl (derived from name of the Alcohol)
R-oate (derived from name of the Carboxylic Acid) O
R – C – O – R’
Functional Group: -COO-

41. Reaction
Ethanoic Acid Ethanol

42. Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – H
H – O – C – C – H H H H

43. Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – H
H – O – C – C – H H H H

44. Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – C – C – H H H

45. Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – C – C – H H H

46. Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H

47. Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H
Functional Group:

48. Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H
Functional Group: -COO-

49. Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H
Functional Group: -COO-

50. Reaction Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H –

51. Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O

52. Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O
Chemical Formulae?

53. Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O
RCOOR’

54. Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O
CH3COOCH2CH3 or CH3COOC2H5

55. Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O
CH3COOCH2CH3 or CH3COOC2H5