2.3. GROUP 17

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7 Terms

1
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What are the colours and states of chlorine, bromine, and iodine, and what is the trend in colours down Group 17?

Trend:

  • The colours of halogens become darker as you move down the group due to increasing molecular size and electron density.

<p><strong>Trend:</strong></p><ul><li><p>The colours of halogens become <strong>darker</strong> as you move <strong>down the group</strong> due to increasing molecular size and electron density.</p></li></ul><p></p>
2
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What are the reactions of halogens with hydrogen, and how does reactivity vary?

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3
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Halogen Reactivity, Reactions, and Thermal Stabilities

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4
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How do halide ions react with aqueous silver ions and ammonia?

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5
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What are the reactions of halide ions with concentrated sulfuric acid?

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6
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What is the reaction of chlorine with cold and hot alkali? Why is it a disproportionation reaction?

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7
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Halide Ions and Chlorine Reactions

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