Group 7 Flashcards
Group 7 elements
Fluorine
Chlorine
Bromine
Iodine
What state is fluorine at room temperature?
Gas
What colour is fluorine gas?
Pale yellow
Does fluorine dissolve in water?
No
Does fluorine dissolve in organic solvents eg hexane?
No
What state is chlorine at room temperature?
Gas
What colour is chlorine gas?
Green
Does chlorine dissolve in water?
Yes
What colour is chlorine dissolved in water?
Pale green to colourless
What colour is chlorine dissolved in hexane?
Virtually colourless
What state is bromine in at room temperature?
Liquid
Bromine liquid colour
Red-brown
Does bromine dissolve in water?
Yes
Bromine water colour
Yellow-orange
Does bromine dissolve in hexane?
Yes
Bromine dissolved in hexane colour
Orange-red
What state is iodine in at room temperature?
Solid
Iodine solid colour
Grey
Does iodine dissolve in water
Barely
What colour does iodine dissolved in water form?
A brown solution
Can iodine dissolve in iodine compound solvents (such as KI)?
Yes and forms a brown solution
What colour does iodine dissolved in ethanol form?
Yellow
What colour does iodine dissolved in hexane form?
Purple
Iodine gas colour
Purple