EXP 8

gas generator

name of the set up

water displacement

what is the set up used for (process)

acetylene gas C2H2 [and calcium hydroxide Ca(OH)2]

what is obtained from this set up?

calcium carbide CaC2 + water H2O

reagents found in the distilling flask

potassium permanganate KMnO4

oxidizing reagent used for this test

hexane C6H14 + potassium permanganate KMnO4

reagents use for the result in B

NO REACTION (remains purple)

product of the reaction of B

acetylene C2H2 + potassium permanganate KMnO4

reagents use for the result in A

brown ppt: manganese dioxide MnO2

product of the result of A

baeyer’s test for unsaturation

name of the test

acetylene C2H2 + bromine Br2

name of reagents used in A

1,1,2,2-tetrabromoethane C2H2Br4

name of the product in A

hexane C6H14 + Bromine Br2 (from bromine water)

name of the reagents used in B

sunlight

name of catalyst used in B

bromohexane C6H13Br

name of the organic product of B

name of A

name of B

acetylene C2H2 + alcoholic iodine

reagents used in A

hexane C6H14 + alcoholic iodine

reagents used in B

hexane C6H14 + oxygen O2

reagents used for this test

carbon dioxide CO2 + water H2O

name of the products from this test

ignition test for alkanes

name of the test used

acetylene C2H2 + ammoniacal solution NH4OH of cuprous chloride Cu2Cl2

reagents used in this reaction

cuprous acetylide Cu2C2

product of this reaction

chocolate brown ppt

color of the product of this reaction