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In aqueous solution of potassium dichromate the chromate and dichromate ions will be in equillibrium at what ph?
Dear shashank,
The equation for the equilibrium is: 2(CrO4)2- + 2H+ <--> (Cr2O7)2- + H2O At low pH the concentration of H+ is high and the position of equilibrium is moved to the right and the solution becomes more orange (i.e. more dichromate). At high pH the concentration of H+ is low and the position of equilibrium is moved to the left and the solution becomes more yellow (i.e. more chromate). At pH7, the position of equilibrium lies between these two extremes.
We are all IITians and here to help you in your IIT JEE preparation. All the best. If you like this answer please approve it.... win exciting gifts by answering the questions on Discussion Forum Sagar Singh B.Tech IIT Delhi
We are all IITians and here to help you in your IIT JEE preparation. All the best.
If you like this answer please approve it....
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Sagar Singh
B.Tech IIT Delhi
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