`Na(s)to overset("air"//Delta)to` product. Product will be

Options

A. `Na_(2)O`
B. `Na_(2)O_(2)`
C. `NaOH`
D. All of these

Answer

To solve the question regarding the reaction of sodium (Na) with air (oxygen) upon heating, we will analyze the possible products formed during this reaction.

### Step 1: Understand the Reaction
When sodium metal is heated in the presence of air (which contains oxygen), it reacts with oxygen to form various sodium oxides. The primary products of this reaction can include sodium oxide (Na2O), sodium peroxide (Na2O2), and sodium hydroxide (NaOH).

### Step 2: Identify the Main Products
1. **Sodium Oxide (Na2O)**: This is formed when sodium reacts with oxygen in a limited supply.
2. **Sodium Peroxide (Na2O2)**: This can form when there is an excess of oxygen.
3. **Sodium Hydroxide (NaOH)**: This can be formed if sodium reacts with water vapor present in the air.

### Step 3: Consider the Conditions
- Under normal conditions, when sodium is burned in air, it primarily forms sodium oxide (Na2O) and sodium peroxide (Na2O2). Sodium hydroxide (NaOH) is less likely to be formed directly from this reaction unless water vapor is involved.

### Step 4: Conclusion
Given the options:
- Sodium Oxide (Na2O)
- Sodium Peroxide (Na2O2)
- Sodium Hydroxide (NaOH)
- All of these

The correct answer is that sodium can produce sodium oxide (Na2O) and sodium peroxide (Na2O2) when burned in air. Sodium hydroxide (NaOH) is not a primary product in this reaction without water vapor.

Thus, the answer is:
**All of these products can potentially form, but the most common products are Na2O and Na2O2.**

### Final Answer:
The product will be Na2O, Na2O2, and possibly NaOH, so the answer is **all of these**.

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