Question: Chromium(VI) forms two different oxyanions, the orange dichromate ion (Cr 2 O 7 2 )and the yellow chromate ion (CrO 4 2 ) Extra left

Chromium(VI) forms two different oxyanions, the orange dichromate ion (Cr₂O₇^2–)and the yellow chromate ion (CrO₄^2–) $Extra \left or missing \right$ . The equilibrium reaction between the two ions is

The following pictures show what happens when sodium hydroxide is added to a dichromate solution.

image text in transcribed

Explain what happened.

Cr2O7 (aq) + H2O(l) 2CrO4(aq) + 2H+ (aq)

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Effect of Sodium Hydroxide on Dichromate Solution at Equilibrium Based on Le Chateliers principle wh... View full answer

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