1.

Nitrate is confirmed by ring test. The brown colour of the ring test is due to the formation of

Answer»

Ferrous NITRITE
`FeSO_(4).NO`
`FeSO_(4).NO_(2)`
Ferrous nitrate

Solution :`NaNO_(3)+H_(2)SO_(4)toNaHSO_(4)+HNO_(3)`
`6FeSO_(4)+3H_(2)SO_(4)+2HNO_(3)`
`to3Fe_(2)(SO_(4))_(3)+4H_(2)O +2NO`
`FeSO_(4)+NO to underset("(BROWN RING)")underset("Nitrosoferrous sulphate")(FeSO_(4).NO)`


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