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Detection of multiple bonds

Detection of multiple bonds

LC2.2.2.1

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Description

In this experiment, bromine water is used to distinguish between the alkane cyclohexane and the alkene cyclohexene. Cyclohexene decolours the bromine water due to the presence of a double bond. Bromine reacts with double bonds in an electrophilic addition.

Components of equipment sets

1	6710340 4	Bromide/Bromate solution, 250 ml Danger H350
1	6747920 4	Sulfuric acid, diluted, approx. 2 N (= 10 %), 500 ml Warning H290 H315 H319
1	6738010 4	Sodium thiosulfate-5-hydrate, 250 g
1	6753410 4	Water, pure, 5 l
1	30945 4	Universal pencil
1	667057 4	Test tube rack metal, 20 mm Ø
2	6659531 4	Dropping pipette 150 mm x 7 mm Ø
2	6659541 8	Dropper bulb
1	665997 4	Graduated pipette 10 ml
1	666003 4	Pipetting ball (Peleus ball)
3	6640421 4	Test tube Fiolax 16 mm x 160 mm
3	667253 4	Rubber stopper solid, 14...18 mm Ø
1	610010 8	Laboratory safety goggles
1	667609 4	Safety gloves, nitrile rubber, size 8
1	6715700 4	Cyclohexane, 250 ml Danger H225 H304 H410 H315 H336
1	6715910 4	Cyclohexene, 100 ml Danger H225 H302 H304 H411

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Detection of multiple bonds

Description

Components of equipment sets

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