Question

the oxide in higher oxidation state of the element is more acidic than that of lower oxidation state,, why?????

Answer 1

Because lost of electrons the oxide in higher oxidation state of the element is more acidic than that of lower oxidation state.

Answer 2

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Manganese. The most common oxidation states of the metal manganese are +2, +3, +4, +6, and +7; the +2 oxidation state is the most stable