The Cyclization Reaction of Fructose Is Different from That of Glucose

question 34

Multiple Choice

The cyclization reaction of fructose is different from that of glucose because ________

• A) a five-membered ring instead of a six-membered ring is formed.
• B) a bond is formed to a carbonyl carbon instead of to a methyl carbon.
• C) the aldehyde group migrates to a new position.
• D) a ketone is formed.
• E) fructose has 6 carbon atoms in the ring instead of 5 as in glucose.

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