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Detection of multiple bonds

Detection of multiple bonds

LC2.2.2.1

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Description
Components of equipment sets

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	671 0340 4	Bromide/Bromate solution, 250 ml Danger H350
1	674 7920 4	Sulfuric acid, diluted, approx. 2 N (= 10 %), 500 ml Warning H290 H315 H319
1	673 8010 4	Sodium thiosulfate-5-hydrate, 250 g
1	675 3410 4	Water, pure, 5 l
1	309 45 4	Universal pencil
1	667 057 4	Test tube rack metal, 20 mm Ø
2	665 9531 4	Dropping pipette 150 mm x 7 mm Ø
2	665 9541 8	Dropper bulb
1	665 997 4	Graduated pipette 10 ml
1	666 003 4	Pipetting ball (Peleus ball)
3	664 0421 4	Test tube Fiolax 16 mm x 160 mm
3	667 253 4	Rubber stopper solid, 14...18 mm Ø
1	610 010 8	Laboratory safety goggles
1	667 609 4	Safety gloves, nitrile rubber, size 8
1	671 5700 4	Cyclohexane, 250 ml Danger H225 H304 H410 H315 H336
1	671 5910 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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