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C2 Halogens

Edexcel C2 Halogens

QuestionAnswer
What are the names of the Halogens as you go down the group? Fluorine, Chlorine, Bromine, Astatine
What is the formula of Chlorine? Cl2
What is the formula of Sodium Bromide? NaBr
What are the products of reaction between Chlorine and Sodium Bromide Bromine and Sodium Chloride
What is the pattern of reactivity as you go down the group? As you go down the group, the Halogens become less reactive
Which Halogen is the most reactive? Chlorine, Iodine or Bromine? Chlorine
Write the symbolic equation for the reaction between Chlorine and Sodium Bromide Cl2 + 2 NaBr ---> Br2 + 2 NaCl
What is the product of the reaction between Hydrogen and Chlorine? Hydrogen Chloride
What is the pH of Hydrogen Bromide solution? below 7 (an acid)
Write the symbolic equation for the reaction between Chlorine and Hydrogen Cl2 + H2 --> 2 HCl
What is the colour and state of Chlorine? Green gas
What is the colour and state of Bromine? Brown liquid
What is the colour and state of Iodine? Grey solid
What colours are the vapours of Iodine? Purple
What is the product of the reaction between Iron and Chlorine? Iron Chloride
What is the colour and state of Fluorine? Pale yellow gas
Colour of Chlorine SOLUTION Pale green
Colour of Bromine SOLUTION Orange-Brown
Colour of Iodine SOLUTION Brown
Colour of Sodium Iodide SOLUTION Colourless
Word equation for the reaction of Chlorine and Sodium Bromide; what colour change would you expect? Chlorine + Sodium Bromide --> Sodium Chloride + Bromine; you would see the colour changing from pale green (Chlorine) to brown (Bromine)
Word equation for the reaction of Bromine and Sodium Chloride; what colour change would you expect? There would be no reaction because Bromine is less reactive than Chlorine so the Chlorine would not let Bromine take the Sodium! No colour change!
Formula of Iodine? I2
Formula of Sodium Chloride? NaCl
Formula of Iron(III)Chloride? FeCl3
Created by: UrsulineChem