Halogens Flashcards
1
Q
Colour of Chlorine, Bromine and Iodine (aq)
A
Colourless
Yellow
Brown
2
Q
Colour of KCl, KBr, KI (aq)
A
All colourless
3
Q
Reactivity pattern of Halogens
A
The higher up the periodic table, the more reactive it is
4
Q
Reaction between KCl and Br2
A
No change (Stays Yellow)
5
Q
Reaction between KI and Br2
A
Bromine displaces Iodine:
Yellow —-> Brown
6
Q
Determine the colour of halogens at room temperature
A
Fluorine - Yellow
Chlorine - Pale green
Bromine - Red-brown
Iodine - grey
7
Q
How many halogens are liquid at room temperature?
A
1 - Bromine
