Salt (A) on heating gives a colourless neutral gas which supports combustion. From the aforesaid, flow diagram, answer the following questions. The compound (A) contains the following acidic radical:

Salt (A) on heating gives a colourless neutral gas which supports co

1.	Salt (A) on heating gives a colourless neutral gas which supports combustion. From the aforesaid, flow diagram, answer the following questions. The compound (A) contains the following acidic radical:
Answer» `NO_(2)^(-)`<BR>`NO_(3)^(-)` `Br^(-)` `SO_(3)^(2-)` Solution :(A) Contains `NO_(3)^(-) (C) RARR NaNO_(3)` `(B) rarr NH_(3) (C) [Fe(H_(2)O)_(5)NO] SO_(4)` or `FeSO_(4).NO` `(A) rarr NH_(4)NO_(3)`