Chromium(VI) forms two different oxyanions, the
Chapter 19, Problem 19.17(choose chapter or problem)
Chromium(VI) forms two different oxyanions, the orange dichromate ion (Cr2O7 22) and the yellow chromate ion (CrO4 22). The equilibrium reaction between the two ions is Cr2O7 22(aq) 1 H2O(l) 34 2CrO4 22(aq) 1 2H1(aq) The following pictures show what happens when sodium hydroxide is added to a dichromate solution. Photographs Cengage Learning. All rights reserved Explain what happened.
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