Question

Metal 'M' forms a peroxide of the typeMO2, Valency of the metal with respect to oxygen is 1 or 2

Answer 1

Answer:

Explanation:The valency of M with respect to oxygen is +4. Since the valency of O is -2 always , by Criss cross method the compound becomes M2O4 which is same as MO2

Answer 2

Explanation:

M2O4 is the same as M2 as the valency of M is +4 and valency of O is -2 do by crisscross method this can be proved....

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