front 1 Observation: Alkane + bromine water (in sunlight) | back 1 Orange bromine water is slowly decolourised |
front 2 Observation: Alkene + bromine water | back 2 Orange bromine water is rapidly decolourised |
front 3 Observation: Alkene + acidified potassium permanganate solution | back 3 Purple potassium permanganate solution is decolourised |
front 4 Observation: Amine and
| back 4 (1) turns from red to blue
|
front 5 Observation: Carboxylic acid and
| back 5 (1) turns from blue to red
|
front 6 Observation: Carboxylic acid and Mg metal | back 6 Bubbles of colourless gas |
front 7 Observation: Carboxylic acid and sodium hydrogen carbonate | back 7 Bubbles of colourless gas |
front 8 Observation: Alkene + potassium permanganate solution (not acifdified) | back 8 Purple potassium permanganate solution forms a brown precipitate |
front 9 Observation: Alcohol heated with acidified potassium permanganate solution | back 9 Purple potassium permanganate solution is decolourised |
front 10 Observation: Alcohol heated with acidified potassium dichromate solution | back 10 Orange potassium dichromate solution turns green |
front 11 Observation: Alkane, alkene or alkyne is added to water | back 11 Two layers form (immiscible) |
front 12 Observation: Hydrocarbon burns with complete combustion | back 12 No soot, clean blue flame |
front 13 Observation: Hydrocarbon burns with incomplete combustion | back 13 Soot, dirty orange-yellow flame |
front 14 Observation: Haloalkane is added to water | back 14 Cloudy when shaken or two layers form (immiscible) |
front 15 Observation: Alkyne + bromine water | back 15 Orange bromine water is rapidly decolourised |