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Alkaline ester hydrolysis

Alkaline ester hydrolysis

LC2.4.3.5

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Description

Alkaline ester hydrolysis (saponification) destroys the ester bond in a carboxylic acid ester beyond repair. If an ester is saponified, the salt of the carboxylic acid and an alcohol are formed. In this case, the carboxylic acid is present as a carboxylate ion, which does not undergo an esterification reaction. In this experiment the students carry out a saponification of acetic ethylester and discover that the reaction is not reversible.

Components of equipment sets

1	30945 4	Universal pencil
2	665997 4	Graduated pipette 10 ml
1	666003 4	Pipetting ball (Peleus ball)
1	667057 4	Test tube rack metal, 20 mm Ø
1	6640421 4	Test tube Fiolax 16 mm x 160 mm
1	667253 4	Rubber stopper solid, 14...18 mm Ø
1	664131 4	Beaker Boro 3.3, 400 ml, squat
1	610010 8	Laboratory safety goggles
1	667609 4	Safety gloves, nitrile rubber, size 8
1	6719630 4	Ethyl acetate, 250 ml Danger H225 H319 EUH066 H336
1	6738420 4	Sodium hydroxide solution, 1 mol/l, 500 ml Danger H314 H290

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Alkaline ester hydrolysis

Description

Components of equipment sets

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