Hydrogen halide

  • hydrogen halides are diatomic inorganic compounds with the formula hx where x is one of the halogens: fluorine, chlorine, bromine, iodine, or astatine.[1] hydrogen halides are gases that dissolve in water to give acids[citation needed] which are commonly known as hydrohalic acids.

    compound chemical formula bond length
    d(h−x) / pm
    (gas phase)
    model dipole
    μ / d
    aqueous phase (acid)
    hydrogen fluoride
    (fluorane)
    hf
    hydrogen-fluoride-2d-dimensions.svg
    hydrogen-fluoride-3d-vdw.svg
    1.86
    hydrofluoric acid
    hydrogen chloride
    (chlorane)
    hcl
    hydrogen-chloride-2d-dimensions.svg
    hydrogen-chloride-3d-vdw.svg
    1.11
    hydrochloric acid
    hydrogen bromide
    (bromane)
    hbr
    hydrogen-bromide-2d-dimensions.svg
    hydrogen-bromide-3d-vdw.svg
    0.788
    hydrobromic acid
    hydrogen iodide
    (iodane)
    hi
    hydrogen-iodide-2d-dimensions.svg
    hydrogen-iodide-3d-vdw.svg
    0.382
    hydroiodic acid
    hydrogen astatide
    astatine hydride
    (astatane)
    hat
    hydrogen-astatide-2d-dimensions.svg
    hydrogen-astatide-calculated-3d-sf.svg
    −0.06
    hydroastatic acid
  • vs. hydrohalic acids
  • occurrence
  • synthesis
  • physical properties
  • reactions
  • see also
  • references

Hydrogen halides are diatomic inorganic compounds with the formula HX where X is one of the halogens: fluorine, chlorine, bromine, iodine, or astatine.[1] Hydrogen halides are gases that dissolve in water to give acids[citation needed] which are commonly known as hydrohalic acids.

Compound Chemical formula Bond length
d(H−X) / pm
(gas phase)
model Dipole
μ / D
Aqueous phase (acid)
hydrogen fluoride
(fluorane)
HF
Hydrogen-fluoride-2D-dimensions.svg
Hydrogen-fluoride-3D-vdW.svg
1.86
hydrofluoric acid
hydrogen chloride
(chlorane)
HCl
Hydrogen-chloride-2D-dimensions.svg
Hydrogen-chloride-3D-vdW.svg
1.11
hydrochloric acid
hydrogen bromide
(bromane)
HBr
Hydrogen-bromide-2D-dimensions.svg
Hydrogen-bromide-3D-vdW.svg
0.788
hydrobromic acid
hydrogen iodide
(iodane)
HI
Hydrogen-iodide-2D-dimensions.svg
Hydrogen-iodide-3D-vdW.svg
0.382
hydroiodic acid
hydrogen astatide
astatine hydride
(astatane)
HAt
Hydrogen-astatide-2D-dimensions.svg
Hydrogen-astatide-calculated-3D-sf.svg
−0.06
hydroastatic acid