why chromium oxide is_acidic
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As charge increases, electronegativity increase and thus oxide become acidic. ... Chromium(III) oxide is amphoteric. Although insoluble in water, it dissolves in acid to produce hydrated chromium ions, [Cr(H2O)6]3+ which react with base to give salts of [Cr(OH)6]3−.
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Answer:
As charge increases, electronegativity increase and thus oxide become acidic. ... Chromium(III) oxide is amphoteric. Although insoluble in water, it dissolves in acid to produce hydrated chromium ions, [Cr(H2O)6]3+ which react with base to give salts of [Cr(OH)6]3−.
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