Test- Haloalkane in ethanol warmed with aqueous silver nitrate solution. OR Haloalkane in ethanol warmed with aqueous sodium hydroxide and then neutralised using aqueous nitric acid, followed by silver nitrate.
Chloro- Colour of silver precipitate: White
- After adding dilute ammonia: dissolves to produce a colourless solution
Bromo- Colour of silver precipitate: Cream
- After adding dilute ammonie: precipitate is insoluble
- After adding concentrated ammonia: precipitate dissolves to produce a colourless solution
Iodo- Colour of silver precipitate: Yellow
- After adding dilute ammonia: precipitate is insoluble
- After adding concentrated ammonia: precipitate is insoluble
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