Halogens Flashcards
1
Q
MP + BP general trend
A
increase down group as molecules become larger, so more vdws. more energy needed to overcome these forces
2
Q
electronegativity general trend
A
decreases as atomic radius increases, due to the no of shells.
3
Q
oxidising strength general trend
A
decreases
4
Q
fluorine
A
very pale yellow gas
5
Q
chlorine
A
greenish, reactive gas - poisonous in high concentrations
6
Q
bromine
A
red liquid, gives off brown/orange poisonous fumes
7
Q
iodine
A
grey solid sublimes to purple gas
8
Q
what will chlorine displace?
A
both iodide and bromide ions
9
Q
what will bromine displace?
A
displace iodide ions
10
Q
iodide + silver nitrate
A
yellow ppt
11
Q
bromine + silver nitrate
A
cream ppt
12
Q
chlorine + silver nitrate
A
white ppt
