Carboxylic acids are reduced to primary alcohols with LiAlH4,
or better with diborane in ether solution and also undergo a-halogenation with Cl2
and Br2 in the presence of red phosphorus (Hell-Volhard Zelinsky reaction) Methanal, ethanal, propanone, benzaldehyde, formic acid, acetic acid and benzoic
acid are highly useful compounds in industry Exercises
8 1
What is meant by the following terms