AS 1 - Halogens Flashcards
0
Q
State at RTP of Chlorine
A
Green-Yellow gas
1
Q
State at RTP of Fluorine
A
Yellow Gas
2
Q
State at RTP of Bromine
A
Red-Brown liquid
3
Q
State at RTP of Iodine
A
Grey-black shiny crystals
4
Q
Colour of chlorine in water
A
Colourless
5
Q
Colour of bromine in water
A
Orange
6
Q
Colour of iodine in water
A
Brown
7
Q
Colour of chlorine in hexane
A
Colourless
8
Q
Colour of bromine in hexane
A
Orange
9
Q
Colour of iodine in hexane
A
Violet
10
Q
Reactions with hydrogen
A
Fluorine - explosive in dark
Chlorine - explosive in sunlight/flame
Bromine - mild explosion in flame
Iodine - constant heating
11
Q
Reactions with phosphorous
A
All halides react to form PX3
12
Q
Formula of white phosphorous
A
P4
13
Q
Formula of red phosphorous
A
P
14
Q
Formation of pentahalides
A
Reversible with chlorine
Occurs with bromine
Not with iodine
