Crypto
Hazard to Self
Posts: 50
Registered: 18-11-2013
Member Is Offline
Mood: No Mood
|
|
Decomposition of FeCl3 on heating
Hydrated ferric chloride decomposes on heating but what is the decomposition product and what gas is released? I stumbled on two different answears
and I don't know which one is correct. One says that FeCl3 decomposes to FeCl2 and releases Cl, and the other that it undergoes decomposition to Fe2O3
and releases HCl.
|
|
|
Random
International Hazard
Posts: 1018
Registered: 7-5-2010
Location: In ur closet
Member Is Offline
Mood: Energetic
|
|
Only way I can see HCl being released is through FeCl3 hydrates.
|
|
|
Zyklon-A
International Hazard
Posts: 1547
Registered: 26-11-2013
Member Is Offline
Mood: Fluorine radical
|
|
Ya, Almost all chloride hydrates that decompose, give off HCl.
|
|
|
Zyklon-A
International Hazard
Posts: 1547
Registered: 26-11-2013
Member Is Offline
Mood: Fluorine radical
|
|
2 FeCl3:6H2O-->Fe2O3+6HCl
|
|
|
Crypto
Hazard to Self
Posts: 50
Registered: 18-11-2013
Member Is Offline
Mood: No Mood
|
|
Wikipedia says that at 280 °C, hexahydrate undergoes partial decomposition to FeCl2 + Cl2
https://en.wikipedia.org/wiki/Iron(III)_chloride
|
|
|
blogfast25
International Hazard
Posts: 10562
Registered: 3-2-2008
Location: Neverland
Member Is Offline
Mood: No Mood
|
|
What you obtain does indeed depend on temperature and duration of heating. In general, what you obtain is a 'mess': it maybe mainly Fe2O3 but often
will still contain water and chloride, possibly also FeCl2.
Heating FeCl3 hexahydrate just isn't a very useful thing to do.
|
|
|
![[*]](images/xpblue/default_icon.gif){kind=icon}
