Difference between revisions of "Interhalogen"
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| style="text-align: center;"|F | | style="text-align: center;"|F | ||
| − | | style="text-align: center;"|F<sub>2</sub> | + | | style="text-align: center;"|[[Fluorine|F<sub>2</sub>]] |
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| style="background-color: gray;"| | | style="background-color: gray;"| | ||
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| style="text-align: center;"|Cl | | style="text-align: center;"|Cl | ||
| style="text-align: center;"|ClF, ClF<sub>3</sub>, ClF<sub>5</sub> | | style="text-align: center;"|ClF, ClF<sub>3</sub>, ClF<sub>5</sub> | ||
| − | | style="text-align: center;"|Cl<sub>2</sub> | + | | style="text-align: center;"|[[Chlorine|Cl<sub>2</sub>]] |
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| style="background-color: gray;"| | | style="background-color: gray;"| | ||
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| style="text-align: center;"|BrF, BrF<sub>3</sub>, BrF<sub>5</sub> | | style="text-align: center;"|BrF, BrF<sub>3</sub>, BrF<sub>5</sub> | ||
| style="text-align: center;"|BrCl | | style="text-align: center;"|BrCl | ||
| − | | style="text-align: center;"|Br<sub>2</sub> | + | | style="text-align: center;"|[[Bromine|Br<sub>2</sub>]] |
| style="background-color: gray;"| | | style="background-color: gray;"| | ||
| style="background-color: gray;"| | | style="background-color: gray;"| | ||
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| style="text-align: center;"|ICl, (ICl<sub>3</sub>)<sub>2</sub> | | style="text-align: center;"|ICl, (ICl<sub>3</sub>)<sub>2</sub> | ||
| style="text-align: center;"|IBr | | style="text-align: center;"|IBr | ||
| − | | style="text-align: center;"|I<sub>2</sub> | + | | style="text-align: center;"|[[Iodine|I<sub>2</sub>]] |
| style="background-color: gray;"| | | style="background-color: gray;"| | ||
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Revision as of 11:28, 2 July 2016
An interhalogen compound is a molecule which contains two or more different halogen atoms (fluorine, chlorine, bromine, iodine, or sometimes even astatine) and no atoms of elements from any other group. Interhalogens are very reactive.
Contents
Interhalogen compounds
Interhalogens are generally compound from two different halogen species. The following table displays all confirmed combinations:
| Halogen | F | Cl | Br | I | At |
|---|---|---|---|---|---|
| F | F2 | ||||
| Cl | ClF, ClF3, ClF5 | Cl2 | |||
| Br | BrF, BrF3, BrF5 | BrCl | Br2 | ||
| I | IF, IF3, IF5, IF7 | ICl, (ICl3)2 | IBr | I2 | |
| At | AtF (?) | AtCl | AtBr | AtI | At2 (?) |
Properties
Interhalogens are extremely reactive chemical species. All react violently with water and may even explode.
Interhalogen compounds have different states of matter, depending on their formula:
- Gaseous: ClF, BrF (b.p. 20 °C), BrCl, ClF3 (b.p. 11.75 °C), ClF5, IF7
- Liquid: BrF3, BrF5, IF5
- Solid: IF, ICl, IBr, IF3, ICl3
So far, there is no data on the states of astatine compounds.
Safety
Interhalogens are extremely corrosive and fluorine interhalogens can also react with glass.
