$A$ mixture when heated with conc. $H_2SO_4$ and $MnO_2$ produces brown fumes due to the presence of:

  • A
    $Br^-$
  • B
    $NO_3^-$
  • C
    $Cl^-$
  • D
    $I^-$

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Similar Questions

Explain the brown ring test for nitrate ions.

Which of the following compounds will give a precipitate with $Pb(NO_3)_2$ but will not give a precipitate with $Ba(NO_3)_2$?

The brown ring test is used for the detection of which of the following?

$A$ substance on treatment with dilute $H_2SO_4$ liberates a colourless gas which produces:
$(i)$ turbidity with baryta water and
$(ii)$ turns acidified dichromate solution green.
The reaction indicates the presence of:

The gas evolved when sodium sulfide is heated with dilute $HCl$ is:

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