According to the given reaction scheme, determine the oxidizing agent and the reducing agent, compose the electronic balance, equalize the chemical reaction, indicate the oxidation and reduction processes: Cl2 + NaI → NaCl + I2
Let’s arrange the oxidation states of the elements:
0 + 1-1 + 1-1 0
Cl2 + NaI> NaCl + I2.
Let’s write down the elements that changed their oxidation states:
Cl2 + 2e = 2Cl * 1 chlorine – oxidizing agent, reduction.
I + 1e = I2 * 2 iodine – reducing agent, restoration.
Let’s equalize the reaction:
Cl2 + 2NaI = 2NaCl + I2.
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