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Unknown salt 'A'+K(2)Cr(2)O(7)+"conc. "H...

Unknown salt `'A'+K_(2)Cr_(2)O_(7)+"conc. "H_(2)SO_(4) to `Reddish brown fumes. Which is the correct statement regarding the above observation?

A

It confirms the presence of `Cl^(-)` ions

B

It confirms the presence of `Br^(-)` ions

C

It confirms the presence of both ions

D

It neither confirms the presence of `Cl^(-)`, nor `Br^(-)` ions unless it is passed through `NaOH` solution

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The correct Answer is:
D
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