In the compounds \( \mathrm{KMnO}_{4} \) and \( \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \)... VIDEO
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) K
(B) \( \mathrm{Cr} \)
(C) Mn
(D) undefined
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