Question

How do you prepare H2O2 from Na2O2 & what happens when H2O2 reacts with Potassium iodide?

Answer 1

Answer:

Sodium peroxide can be prepared on a large scale by the reaction of metallic sodium with oxygen at 130–200 °C, a process that generates sodium oxide, which in a separate stage absorbs oxygen: 4 Na + O2 → 2 Na2O. 2 Na2O + O2 → 2 Na2O The potassium iodide is added, and the iodide ion that's part of that compound attracts the oxygen in the hydrogen peroxide, breaking the bonds and rapidly transforming the hydrogen peroxide into water and oxygen gas.

Explanation:

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