Hydrochloric Acid

DescriptionAqueous solution of Hydrogen Chloride (HCl)
SynonymsMuriatic acid
AppearanceColourless to slightly yellowish liquid
OdorPungent
Characteristic featureStrong acid
pKa-6.3
RemarksA component of the gastric acid (digestive system)

Hydrogen ChlorideAqueous solution of hydrogen chloride (HCl) gas is called hydrochloric acid. Hydrochloric acid is a very strong acid. It hydrolyzes in water into H+ and Cl﹣. The pKa of hydrochloric acid is -6.0.

REFERENCES

https://pubchem.ncbi.nlm.nih.gov/compound/Hydrochloric-acid#section=2D-Structure

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