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Oxidation sate of $\mathrm{Cr}$ in potassium dichromate is
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Verified Answer
The correct answer is:
+6
Potassium dichromate $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$
$$
\begin{aligned}
& 1 \times 2+\mathrm{x} \times 2-2 \times 7=0^{+1} \mathrm{x}^{-2} \\
& 2 \mathrm{x}=12 \\
& \mathrm{X}=+6
\end{aligned}
$$
$$
\begin{aligned}
& 1 \times 2+\mathrm{x} \times 2-2 \times 7=0^{+1} \mathrm{x}^{-2} \\
& 2 \mathrm{x}=12 \\
& \mathrm{X}=+6
\end{aligned}
$$
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