As nouns the difference between iodonium and diaryliodonium
is that iodonium is (chemistry) the univalent h2i+ cation, derived from iodane while diaryliodonium is (organic chemistry|especially in combination) any diaryl derivative of an iodonium ion.
iodonium
English
Noun
(-)
(chemistry) the univalent H2I+ cation, derived from iodane diaryliodonium
English
Noun
(
en noun)
(organic chemistry, especially in combination) Any diaryl derivative of an iodonium ion