When potassium chromate, K$_2$CrO$_4$ is dissolved in water, what ions are produced? 2K$^+$ + Cr$^{6+}$ + 4O$^{2-}$ 2K$^+$ + Cr$^{2-}$ + 2O$^{2-}$ no ions are formed K$_2^+$ + CrO$_2^-$ 2K$^+$ + CrO$_4^{2-}$
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When it dissolves in water, it dissociates into its constituent ions. Show more…
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