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hydrogen halide

n. (context inorganic chemistry English) Any binary compound of hydrogen and a halide

Wikipedia
Hydrogen halide

Hydrogen halides (or hydrohalic acids) are inorganic compounds with the formula HX where X is one of the halogens: fluorine, chlorine, bromine, iodine, astatine, and possibly ununseptium. Hydrogen halides are gases that dissolve in water to give 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.png

Hydrogen-fluoride-3D-vdW.png

1.86

hydrofluoric acid

hydrogen chloride
chlorane

HCl

Hydrogen-chloride-2D-dimensions.png

Hydrogen-chloride-3D-vdW.png

1.11

hydrochloric acid

hydrogen bromide
bromane

HBr

Hydrogen-bromide-2D-dimensions.png

Hydrogen-bromide-3D-vdW.png

0.788

hydrobromic acid

hydrogen iodide
iodane

HI

Hydrogen-iodide-2D-dimensions.png

Hydrogen-iodide-3D-vdW.png

0.382

hydroiodic acid

hydrogen astatide
astatane
astatine hydride

HAt

Hydrogen-astatide-2D-dimensions.svg

Hydrogen-astatide-calculated-3D-sf.png

−0.06

hydroastatic acid