Which of the following is formed by the action of water on `Na_2 O_2 `?

Explanation

To determine which compound is formed by the action of water on sodium peroxide (Na₂O₂), we can analyze the chemical reaction that occurs when Na₂O₂ reacts with water.

### Step-by-Step Solution:

1. **Identify the Reactants**: The reactants in this reaction are sodium peroxide (Na₂O₂) and water (H₂O).

2. **Write the Reaction**: When sodium peroxide reacts with water, the reaction can be represented as:
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