C. PARAFFIN 1. Place a paraffin about the size of a rice grain in a dry test tube. Warm gently and add e drops of bromine (CAUTION!). Result: ____________________________________ 2. Melt a small piece of paraffin in a dry test tube and add 3 drops of potassium permanganate solution. Result: _______________________________________________ What does this prove? ________________________________________________________ D. LPG (Liquefied Petroleum Gas) CAUTION: No flame must be lighted in this portion.
C. PARAFFIN
1. Place a paraffin about the size of a rice grain in a dry test tube. Warm gently and
add e drops of bromine (CAUTION!). Result: ____________________________________
2. Melt a small piece of paraffin in a dry test tube and add 3 drops of potassium
permanganate solution. Result: _______________________________________________
What does this prove? ________________________________________________________
D. LPG (Liquefied Petroleum Gas)
CAUTION: No flame must be lighted in this portion.
Attach a glass nozzle to a rubber tubing and connect this to the gas outlet.
Prepare 2 test tubes containing 1 mL of each alkaline potassium permanganate
and bromine water. Slowly open the gas cock and bubble the gas for one minute
into each tube.
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Result: _______________________________________________________________________
With KMnO4: _________________________________________________________________
With bromine water: __________________________________________________________
Interpret your results as to the hydrocarbon constituents of LPG __________________
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