What Statement Is Most Inconsistent About the Chemistry of Iron

Multiple Choice

What statement is most inconsistent about the chemistry of iron?

A) Iron(III) hydroxide is very soluble and reacts readily with hydroxide to form Fe(OH) ₄^-.
B) Iron reacts with hydrochloric acid in the absence of air to yield iron(II) ion and hydrogen gas.
C) Iron reacts with nitric acid to yield iron(III) ion and nitric oxide.
D) The most common oxidation states of iron are +2 (ferrous) and +3 (ferric) .