Chemistry, asked by jagadeeswareddy1374, 11 months ago

Why the color of k2cr2o7 solution depends upon ph of the solution?

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Answered by praak
1

Answer:

The color change depends on the changes in the pH of the solution. Dichromate salts contain the dichromate anion, Cr2O72- and chromate salts contain chromate anion, CrO42−. ... When an alkali is added to an orange red solution of dichromate, an yellow solution is obtained due to the formation of chromate ions.

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