The oxidation state of \( \mathrm{Cr} \) in \( \mathrm{CrO}_{5} \) ...

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The oxidation state of \( \mathrm{Cr} \) in \( \mathrm{CrO}_{5} \) is
(a) \( -6 \)
(b) \( +12 \)
(c) \( +6 \)
(d) \( +4 \)
\( \mathrm{P} \)
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