**Glucose ($C_6H_{12}O_6$)** is classified based on its functional group and the number of carbon atoms: 1. **Functional Group**: It contains an aldehyde group ($-CHO$) at $C_1$, making it an **Aldose**. 2. **Carbon Count**: It contains 6 carbon atoms, making it a **Hexose**. - Combining these terms, glucose is an **Aldohexose**. - In contrast, Fructose is a **Ketohexose** (ketone group at $C_2$, 6 carbons).

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Glucose is a:

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Ketohexose

Aldohexose

Ketopentose

Aldopentose

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Subject: chemistry
Chapter: biomolecules
Topic: carbohydrates
Difficulty: Easy
Year: 2025

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Correct Answer:

Aldohexose

Glucose ( $C_{6} H_{12} O_{6}$ ) is classified based on its functional group and the number of carbon atoms:

Functional Group: It contains an aldehyde group ( $- C H O$ ) at $C_{1}$ , making it an Aldose.
Carbon Count: It contains 6 carbon atoms, making it a Hexose.

Combining these terms, glucose is an Aldohexose.
In contrast, Fructose is a Ketohexose (ketone group at $C_{2}$ , 6 carbons).

This easy difficulty chemistry question is from the chapter biomolecules, covering the topic of carbohydrates. It appeared in the 2025 exam.

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More carbohydrates Practice Questions

Cellulose differs from starch in that cellulose contains:

The number of chiral carbon atoms present in the open-chain form of D-glucose is:

Which of the following is a non-reducing sugar?

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