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The brown ring test for NO^-2 and NO^-3 is due to the formation of complex ion with the formula –

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The brown ring test for NO-2 and NO-3 is due to the formation of complex ion with the formula – 

 (A) [Fe(H2O)6] 2+ 

(B) [Fe(NO)(CN)5] 2+ 

 (C) [Fe(H2O)5NO]2+ 

(D) [Fe(H2O) (NO)5] 2+ 

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1 Answer

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Best answer

Correct option (C) [Fe(H2O)5NO]2+

Explanation: 

The brown ring test for NO-2 and NO-3 is due to formation of [Fe(H2O)5NO]2+ 

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