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What happen when a solution of potassium...

What happen when a solution of potassium chromate is treated with an excess of dil. Nitic acid?

A

`Cr^(3+) and Cr_2O_(7)^(2-)` are formed

B

`Cr_2O_7^(2-) and H_(2)O` are formed

C

`CrO_4^(2-)` is reduced to +3 state of Cr

D

`CrO_(4)^(2-)` is oxidized to +7 state of Cr

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