Analytical ChemistryHard

Question

Which of the following combines with Fe(II) ions to form a brown complex?

Options

A.N₂O

B.N₂O

C.N₂ O₃

D.N₂O₄

Solution

Fe²⁺ + NO + 5H₂O → [Fe(H₂O)₅NO] 2+ (brown complex)

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