Which of the following combines with $F e (I I)$ ions to form a brown complex?

N_{2} O

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N O

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N_{2} O_{3}

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N O_{2}

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Solution

The correct option is B $N O$
$N O$ reacts with $F e S O_{4}$ to form a brown ring complex, $[F e (H_{2} O)_{5} N O] S O_{4}$ .
Hence, option B is the correct answer.

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Similar questions

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

F e (I I)

N O

O_{2}

[F e (H_{2} O)_{5} N O] S O_{4}

N_{2} O_{3}

N O_{2}^{-}

N O_{3}^{-}

S O_{2}, C O_{2}, N_{2} O, O F_{2}, {I C l_{2}}^{-}, {I_{3}}^{-}, N O_{2}, {N O_{2}}^{-}, {N O_{2}}^{+}, {B F_{2}}^{-}, B e C l_{2}, {N_{3}}^{-}, H C N .

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