Which of the following is an aldohexose

Options

A. Cellulose
B. Sucrose
C. galactose
D. Raffinose

Answer

To determine which of the following is an aldohexose, we need to understand the definition of an aldohexose. An aldohexose is a type of sugar that contains six carbon atoms (hexose) and has an aldehyde group (-CHO) at one end.

### Step-by-Step Solution:

1. **Understand the Definition of Aldohexose**:
- An aldohexose is a monosaccharide with six carbon atoms and an aldehyde functional group.

2. **Identify the Structure of Aldohexose**:
- Aldohexoses have the general formula C6H12O6. The structure includes a carbon chain with an aldehyde group at one end.

3. **List Common Aldohexoses**:
- Common examples of aldohexoses include:
- Glucose
- Galactose
- Mannose
- Altrose

4. **Analyze the Given Options**:
- Check each option provided in the question to see if it fits the criteria of being an aldohexose.

5. **Identify the Correct Answer**:
- Among the common aldohexoses listed, galactose is confirmed as an aldohexose because it contains six carbons and an aldehyde group.

6. **Conclusion**:
- Therefore, the answer to the question "Which of the following is an aldohexose?" is **Galactose**.