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17/09/2020 11:54 am
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The oxidation states of transition metal atoms in K2Cr2O7, KMnO4 and K2FeO4, respectively, are x, y and z. The sum of x, y and z is_______.
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17/09/2020 11:57 am
Compound - Oxidation state of transition element.
(i) K2Cr2O7 x = +6
(ii) KMnO4 y = + 7
(iii) K2FeO4 z = + 6
so (x + y + z) = 19