Oxidation of alkanols

LC2.3.3.5

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Description

In this experiment, the different reactions of primary, secondary and tertiary alkanols with potassium permanganate as oxidant are investigated. To do this, potassium permanganate is added to 1-butanol, 2-butanol and tert-butanol (2-methylpropan-2-ol). While primary and secondary butanol are oxidised, the tertiary 2-methylpropan-2-ol is not. Unlike 1-and 2-butanol, no colour change takes place here. The students realise that the structure of a substance has a great influence on possible reactions. They learn about the substance group of aldehydes and ketones.

Components of equipment sets

1	6738420 4	Sodium hydroxide solution, 1 mol/l, 500 ml Danger H314 H290
1	6737800 4	Sodium sulfite, 100 g
1	6747920 4	Sulfuric acid, diluted, approx. 2 N (= 10 %), 500 ml Warning H290 H315 H319
1	6727000 4	Potassium permanganate, 100 g Danger H272 H302 H410
1	6753410 4	Water, pure, 5 l
1	30945 4	Universal pencil
1	667057 4	Test tube rack metal, 20 mm Ø
4	6659531 4	Dropping pipette 150 mm x 7 mm Ø
4	6659541 8	Dropper bulb
3	6640421 4	Test tube Fiolax 16 mm x 160 mm
1	610010 8	Laboratory safety goggles
1	667609 4	Safety gloves, nitrile rubber, size 8
1	6711010 4	1-Butanol, 1 l Danger H226 H302 H318 H315 H335 H336
1	6711210 4	2-Butanol, 1 l Warning H226 H319 H335 H336
1	6711300 4	Tertiary butanol, 100 ml Danger H225 H332 H319 H335

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Oxidation of alkanols

Description

Components of equipment sets

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