perrhenic acid


per·​rhenic acid
(ˈ)per+…- -
: either of two acids formed by the oxidation of rhenium or rhenium compounds of lower valence states and known only in solution or in the form of salts:
: the monobasic acid HReO4 analogous to permanganic acid that forms colorless stable salts

called also metaperrhenic acid

: the tribasic acid H3ReO5 that forms yellow salts turning red when heated and hydrolyzed in water to salts of metaperrhenic acid

called also mesoperrhenic acid

Word History


per- + New Latin rhenium + English -ic

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Cite this Entry

“Perrhenic acid.” Dictionary, Merriam-Webster, Accessed 31 Jan. 2023.

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