Practical 26 CinC Alkenes

Practical 26 CinC Alkenes :   

  GAS ON                                     

  HAzCard : 40A,15B, 98A, 81,95A

• Apparatus Preparation of Ethene 7A1   [ boiling tubes(wool, ethanol porous pot), test tube (to collect gas), trough, Delivery tubes 7A1, water]

• test tubes and stopper (Collect gas)

• trough

• teat pipettes (use poly-top bottle )

• Porous pot (Ceramic- broken crucible, porcelain) (From Apparatus Preparation of Ethene 7A1)

• ceramic wool (From Apparatus Preparation of Ethene 7A1)

• ethanol (For Apparatus Preparation of Ethene 7A1)

• Bunsen, HPM 

• Clamps and buses

• Dilute bromine water (to be make Fresh- on fume + thiosulfate)

• Dilute sulfuric acid 1mol. (Stock)

• Potassium manganate (VII) 0.02mol. (Make fresh for titration - otherwise used stock in A level cupboard for the rest)

• sodium carbonate solution 0.1mol. (100ml)

• Gloves           

B Reaction of CyclohexEne (Part I) Burning :

• CyclohexEne

• Ceramic wool

• crucible

• potassium manganate 0.02 M

• dilute Sulphuric acid

• Conc Sulphuric acid

• Bromine water           

Par B  : Cychlohexene Preparing cyclohexene from Cyclohexanol :                   GAS on      HazCard :

• Cyclohexanol in fume + glass pipette

• Quick fit

  • Vaseline

  • Quick fit plastic secure seal

  • round bottom flask X 2 + bumping granule in

  • Thermometer

  • Liebig condenser

  • Stopper

• Conc. Phosphoric (V) in fume + glass pipette

• Beakers

• Tripod gauze Bunsen burner

• separating funnel

• Saturated sodium chloride solution adding approximately 40 − 45 g of sodium chloride in 100 m L water 

• Small conical flask

• Anhydrous calcium Chloride solid

• Balances

• Glass beaker for organic waste

• ----------------------------------

• Ceramic wool 

• Crucible

• Bromine water

• Test tubes