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What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid?

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What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid?
(a) Cr3+ and Cr2O72– are formed
(b) Cr2O72– and H2O are formed
(c) CrO42– is reduced to +3 state of Cr
(d) None of the above

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Best answer

Correct option(b) Cr2O72– and H2O are formed

Explanation:

2CrO42-+2H+ → Cr2O72-+H2O

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