" Bromine water reacts with "SO_(2)" to form "

H_(2)S reacts with SO_(2) to form

H_(2)S reacts with SO_(3) to form

Bromine water reacts with aniline to give

Bromine water reacts with aniline to give

Bromine water reacts with aniline to give

Bromine water reacts with aniline to give :

Nitrous acid was disproportionated to form water HNO_(3) and X .In another reaction sodium nitrite was reacted with H_(2)SO_(4) to form NaHSO_(4), HNO_(3) water and Y . What are X and Y respectively?