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5 Cards in this Set
- Front
- Back
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What colours are the group 7 elements when reacted with water ?
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Florins = colourless. Chlorine = colourless. Bromine = orange\yellow. Iodine = brown
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What are the coloured of the group 7 elements wen reacted with hexane (organic compound )
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Bromine = orange/red. Iodine = violet
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What are displacement reactions ?
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When stronger oxidising powers displace less powerful elements in a reaction
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How to further test for reaction with halides ?
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Chloride reacts with diluted ammonia. Bromide reacts with concentrated ammonia. Iodide doesn't react
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Colour of precipitates reactions with halides ?
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Chloride = white bromide = cream. Iodide = yellow
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