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FeSO4 forms brown ring with (a) NO (b) N2 (c) NO2 (d) N2O

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ago in Chemistry by (47.9k points)

FeSO4 forms brown ring with

(a) NO

(b) N2

(c) NO2

(d) N2O

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1 Answer

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ago by (48.3k points)

Correct option is: (a) NO  

The comple [Fe(H2O)6NO]2+ is formed in the brown ring test fro nitrates when freshly prepared FesO4 solution is added to aqueous solution of NO−3 ions followed by addition of conc. H2SO4.

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