Calculate the oxidation number of the highlightes element in each of the following a) Na2Cr2O7 = Cr2 b) Rb4Na[HV10O28] = V10 c) (MnO4)-2 = Mn

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Q: 0.95 V 0.55 V 1.34 V Cr(VI) Cr(V) - Cr(IV) 1.72 V 1.38 V 2.1 V -0.74 V -0.424 V Cr(III) - 0.90 V…

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A: (a)

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