SO2OH

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Sulphonic \Sul*phon"ic\, a. (Chem.)
     Pertaining to, or derived from, a sulphone; -- used
     specifically to designate any one of a series of acids
     (regarded as acid ethereal salts of sulphurous acid) obtained
     by the oxidation of the mercaptans, or by treating sulphuric
     acid with certain aromatic bases (as benzene); as, phenyl


     sulphonic acid, {C6H5.SO2.OH}, a stable colorless crystalline
     substance.
     [1913 Webster]
  
     {Sulphonic group} (Chem.), the hypothetical radical,
        {SO2.OH}, the characteristic residue of sulphonic acids.
        [1913 Webster]