Question
$S _2 O _3^2$ में S का ऑक्सीकरण अंक बताइए।

Answer

$\begin{array}{l}+2 \\ S _2 O _3^{2-} \\ 2 x +3(-2)=-2 \\ 2 x =-2+6 \\ =+2\end{array}$

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