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0 votes
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in Chemistry by (91.0k points)
What happen when a solution of potassium chromate is treated with an excess of dil. Nitic acid?
A. `Cr^(3+)` and `Cr_(2)O_(7)^(2-)` are formed
B. `Cr_(2)O_(7)^(2-)` and `H_(2)O` are formed
C. `Cr_(2)O_(7)^(2-)`is reduced to `+3` state pf `Cr`
D. `Cr_(2)O_(7)^(2-)` is oxidised to `+7` state of `Cr`

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1 Answer

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by (91.3k points)
Correct Answer - B
`CrO_(4)^(-2)overset(H^(+)(to)Cr_(2)O_(7)^(-2)`

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