Chromium(VI) forms two different oxyanions, the orange dichromate ion (Cr 2 O 7 2 )and the yellow
Question:
Chromium(VI) forms two different oxyanions, the orange dichromate ion (Cr2O72–)and the yellow chromate ion (CrO42–). The equilibrium reaction between the two ions is
The following pictures show what happens when sodium hydroxide is added to a dichromate solution.
Explain what happened.
Transcribed Image Text:
Cr2O7 (aq) + H2O(l) 2CrO4(aq) + 2H+ (aq)
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