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- Which of the following is a cyclic structure of fructose? Option: 1 <img alt="" src="https://cdn.entrance360.com/media/uploads/2020/01/04/14_w7s
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Which of the following is a cyclic structure of fructose?
Option: 1
Option: 2
Option: 3
Option: 4
Answers (1)
As we have learnt,
Cyclic Structure of Fructose(Haworth Projection)
It also exists in two cyclic forms which are obtained by the addition of —OH at C5 to the (C=O) group. The ring, thus formed is a five-membered ring and is named as furanose with analogy to the compound furan. Furan is a five-membered cyclic compound with one oxygen and four carbon atoms. The cyclic structures of two anomers of fructose are represented by Haworth structures as given below.
Hence, the correct answer is Option (1)
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