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Carbohydrates: classification, glucose structure, reactions
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bm003
Prolonged heating of glucose with HI gives n-hexane. This shows that glucose has
A
a ring of six carbon atoms
B
five carbonyl groups
C
a branched six-carbon chain
D
a straight chain of six carbon atoms
Answer: D
Complete reduction of all oxygen functions gives n-hexane, so the six carbon atoms form an unbranched chain.
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