937531
| Question | Answer |
| Test for unsaturation: add bromine water | Unsaturated: brown to colourless |
| Appearance of halogens at room temperature | F- pale yellow gas Cl- green gas Br- red/brown liquid I- shiny black solid |
| Colour of halogens in water | Cl- colourless Br-yellow orange I-brown |
| Colour of halogens in hexane | Cl- colourless Br- orange/red I- pink/violet |
| Silver ___ide | Silver chloride- white Silver bromide- cream Silver iodide- yellow |
| Oxidation of primary or secondary alcohol in presence of acidified potassium dichromate | Orange to green |
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