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Write balanced ionoic half equation (oxi...

Write balanced ionoic half equation (oxidation and reduction) for each of the following reactions:
(a) `Mn^(3+)(aq)rarrMnO_(2)(s)+Mn^(2+)(aq)`
(b) `Mn(s)+NO_(3)^(Ө)(aq) rarr Mn^(2+)(aq)+NO_(2)(g)`
(c ) `H_(2)O_(2)(aq) + Fe^(2+) (aq)rarrFe^(3+)(aq)+H_(2)O(l)`
(d) `Te(s)+NO_(3)^(Ө)(aq)rarr TeO_(2)(s)+NO(g)`

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