Which of the following react with `NaHSO_(3)`

Options

A. `CH_(3)COCH_(3)`
B. `CH_(3)CHO`
C. `HCHO`
D. All of these

Explanation

To determine which compounds react with sodium bisulfite (NaHSO3), we need to understand the reactivity of aldehydes and ketones with this reagent. Sodium bisulfite is known to react with carbonyl compounds, specifically aldehydes and certain ketones, to form bisulfite adducts.

### Step-by-step Solution:

1. **Identify the Functional Groups**:
- Aldehydes have the functional group -CHO.
- Ketones have the functional group -C(=O)-R, where R can be any alkyl or aryl group.

2. **Understand the Reactivity**:
- Aldehydes readily react with sodium bisulfite to form a stable bisulfite adduct.
- Ketones can also react with sodium bisulfite, but not all ketones will form stable adducts. Generally, methyl ketones (ketones with a methyl group) react well with sodium bisulfite.

3. **List the Compounds**:
- If the question provides specific compounds, we need to analyze each one to see if it is an aldehyde or a suitable ketone (like a methyl ketone).

4. **Check for Aldehydes**:
- All aldehydes will react with NaHSO3.

5. **Check for Ketones**:
- Only methyl ketones will react with NaHSO3 to form stable adducts. Other ketones may not react or may form unstable adducts.

6. **Conclusion**:
- Based on the above analysis, the compounds that will react with NaHSO3 are all aldehydes and certain methyl ketones.

### Final Answer:
- Aldehydes and methyl ketones react with NaHSO3.