1

JEE Main 2020 (Online) 2nd September Evening Slot

Numerical

+4

-0

The oxidation states of transition metal atoms
in K

_{2}Cr_{2}O_{7}, KMnO_{4}and K_{2}FeO_{4}, respectively, are x, y and z. The sum of x, y and z is _______.Your input ____

Questions Asked from Redox Reactions (Numerical)

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