The Halogens

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  • Created by: elyornais
  • Created on: 07-03-15 19:28
Are halogens reducing agents or oxidising agents?
Oxidising agents and they get reduced.
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What happens to the oxidising ability as we go down the group?
Decreases.
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What happens when halogens react with metal halides?
The halide is displaced by a more reactive halogen (displacement reaction)
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What is the colour of fluorine?
Pale Yellow.
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What colour is chlorine?
Green.
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What colour is Bromine?
Red-brown.
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What colour is iodine?
Black solid.
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Are halide ions reducing or oxidising agents?
Reducing.
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What happens to the reducing power of halide ions as we go down the periodic table?
Increases.
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What is the equation for sodium chloride reacting with sulfuric acid?
NaCl + H2SO4 --> NaHSO4 + HCl
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Why is the reaction of sodium chloride with sulfuric acid not a redox reaction?
Because no oxidation state has changed as the chloride ion is too weak to reduce sulfur. It is an acid-base reaction.
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What is seen when NaCl reacts with H2SO4?
Steamy fumes of HCl.
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Other cards in this set

Card 2

Front

What happens to the oxidising ability as we go down the group?

Back

Decreases.

Card 3

Front

What happens when halogens react with metal halides?

Back

Preview of the front of card 3

Card 4

Front

What is the colour of fluorine?

Back

Preview of the front of card 4

Card 5

Front

What colour is chlorine?

Back

Preview of the front of card 5
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