Question:
Fructose is an example of which type of sugar?
Fructose is an example of which type of sugar?
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Fructose = ketone group + 6 carbon atoms → Ketohexose.
Updated On: Jun 19, 2026
- Ketohexose
- Aldohexose
- Ketopentose
- Aldopentose
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The Correct Option is A
Solution and Explanation
Step 1: Understanding classification of monosaccharides.
Monosaccharides are classified based on two factors: number of carbon atoms (pentose/hexose) and type of carbonyl group (aldehyde or ketone).
Step 2: Identifying carbon number in fructose.
Fructose contains six carbon atoms in its structure. Therefore, it is classified as a hexose sugar.
Step 3: Identifying functional group.
Fructose contains a ketone functional group (carbonyl group at C-2 position), not an aldehyde group.
Step 4: Combining both classifications.
Since fructose is a six-carbon sugar with a ketone group, it is classified as a ketohexose.
Step 5: Final verification.
Among the given options, only ketohexose correctly describes fructose.
Final Answer: \[ \boxed{\text{Ketohexose}} \]
Monosaccharides are classified based on two factors: number of carbon atoms (pentose/hexose) and type of carbonyl group (aldehyde or ketone).
Step 2: Identifying carbon number in fructose.
Fructose contains six carbon atoms in its structure. Therefore, it is classified as a hexose sugar.
Step 3: Identifying functional group.
Fructose contains a ketone functional group (carbonyl group at C-2 position), not an aldehyde group.
Step 4: Combining both classifications.
Since fructose is a six-carbon sugar with a ketone group, it is classified as a ketohexose.
Step 5: Final verification.
Among the given options, only ketohexose correctly describes fructose.
Final Answer: \[ \boxed{\text{Ketohexose}} \]
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