In the compounds \( \mathrm{KMnO}_{4} \) and \( \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \)...

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In the compounds \( \mathrm{KMnO}_{4} \) and \( \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \) the highest oxidation state is of the element
(a) potassium
(b) manganese
(c) chromium
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