Colourless salt (A) on heating with NaOH gives gas (B). When reaction of (A) with NaOH was complete, solution obtained on reacting `FeSO_(4)` and conc. `H_(2)SO_(4)` gave a brown coloured ring (C ) between two layers. (A) on heating strongly forms (D ) and (E). Compound (E ) is neutral oxide of a dibasic acid (F). What is the compound (C)A. `[Fe(H_(2)O)_(4).NO]SO_(4)`B. `[Fe(H_(2)O)_(5)NO]SO_(4)`C. `[Fe(H_(2)O)_(4)]SO_(4)`D. None of these

Colourless salt (A) on heating with NaOH gives gas (B). When reaction

1.	Colourless salt (A) on heating with NaOH gives gas (B). When reaction of (A) with NaOH was complete, solution obtained on reacting `FeSO_(4)` and conc. `H_(2)SO_(4)` gave a brown coloured ring (C ) between two layers. (A) on heating strongly forms (D ) and (E). Compound (E ) is neutral oxide of a dibasic acid (F). What is the compound (C)A. `[Fe(H_(2)O)_(4).NO]SO_(4)`B. `[Fe(H_(2)O)_(5)NO]SO_(4)`C. `[Fe(H_(2)O)_(4)]SO_(4)`D. None of these
Answer» Correct Answer - B `underset((A))(NH_(4)NO_(3))+NaOHoverset(Delta)(rarr)underset((B))(NH_(3))+NaNO_(3)+H_(2)O` `NO_(3)^(-)+FeSO_(4)+H_(2)SO_(4)rarrunderset("Brown ring ")([Fe(H_(2)O)_(5)NO]SO_(4))` `underset((F))(HO)-overset(ddot)(N)=overset(ddot)(N)-OHoverset(Delta)(rarr)N_(2)O+underset((E))(H_(2)O)` `underset((A))(NH_(4)NO_(3))" "underset((D))(N_(2)O)+underset((E))(2H_(2)O)`

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