The following skeletal oxidation-reduction reaction occurs under basic conditions. Write the balanced OXIDATION half reaction. Bi(OH)3 + NO2 → Bi + NO3-

Explanation:

Hello,

In this case, for the given reaction, we first start by the writing of the oxidation states of all the involved elements:

In such a way, we are noticing nitrogen is undergoing an increase in its oxidation state, therefore it is being the oxidized species, for which the oxidation half reaction, should be (considering basic conditions):

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