The neutral oxide of nitrogen is 

Options

A. `NO`
B. `N_(2)O`
C. `NO_(2)`
D. Both 1 and 2

Answer

To determine the neutral oxides of nitrogen from the given options (NO, N2O, NO2, or both 1 and 2), we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Oxides of Nitrogen**:
- The common oxides of nitrogen include:
- Nitric oxide (NO)
- Nitrous oxide (N2O)
- Dinitrogen trioxide (N2O3)
- Nitrogen dioxide (NO2)
- Dinitrogen pentoxide (N2O5)

2. **Classify the Oxides**:
- Neutral oxides are those that do not exhibit acidic or basic properties.
- Among the listed oxides:
- **NO (Nitric oxide)**: This is a neutral oxide.
- **N2O (Nitrous oxide)**: This is also a neutral oxide.
- **N2O3 (Dinitrogen trioxide)**: This is acidic.
- **NO2 (Nitrogen dioxide)**: This is acidic.
- **N2O5 (Dinitrogen pentoxide)**: This is acidic.

3. **Conclusion**:
- The neutral oxides from the list are NO and N2O.
- Therefore, both options 1 (NO) and 2 (N2O) are correct.

4. **Final Answer**:
- The correct answer is "both 1 and 2".