Question
$Na _2\left[ Fe ( CN )_5 NO \right]$ में Fe की ऑक्सीकरण संख्या बताइए।

Answer

$\begin{array}{l}\text { + } 3 \\
Na_2\left[Fe(CN)_5 NO\right] \\+1(2)+x+5(-1)+0=0 \\x=+3
\end{array}$

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