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A mixture upon along adding conc. H(2)SO...

A mixture upon along adding conc. `H_(2)SO_(4)` gives deep red fumes. It may contain the anions pair `:`

A

`Cr_(2)O_(7)^(2-)` and `Cl^(-)`

B

`Br^(-)` and `Cr_(2)O_(7)^(2-)`

C

`NO_(3)^(-)` and `Cl^(-)`

D

`CrO_(4)^(2-)` and `NO_(3)^(2-)`

Text Solution

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The correct Answer is:
A
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