what is added to a yellow chromate solution to covert it to an orange dichromate solution?
(A)dil. alkali
(B)any oxidising agent
(C)dil. acid
(D)any reducing agent
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The more acidic the solution, the more the equilibrium is shifted to favour the dichromate ion. As nitric acid is added to the potassium chromate solution, the yellow colour turns to orange
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