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Write the oxidation and reduction half-reactions (without states of matter) for the following reaction:→+Br2aq  2KIaq + 2KBraq  I2aq

Question

Write the oxidation and reduction half-reactions (without states of matter) for the following reaction:→+Br2aq  2KIaq + 2KBraq  I2aq

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Solution

The given reaction is: Br2 + 2KI → 2KBr + I2

First, we need to identify the species that are being oxidized and reduced. In this reaction, I- is oxidized to I2 and Br2 is reduced to Br-.

The oxidation half-reaction is: 2I- → I2 + 2e-

The reduction half-reaction is: Br2 + 2e- → 2Br-

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