Which of the following gives brown ring ...

Which of the following gives brown ring test with dil. `H_(2)SO_(4)` ?

A

`NO_(2)^(-)`

B

`NO_(3)^(-)`

C

Both (A) and (B)

D

None of these

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The correct Answer is:

A

Which of the following gives brown ring test with dil. H(2)SO(4) ?
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