Select the evidence for the open chain struct | vedclass

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(D) The formation of cyanohydrin by the reaction of glucose with $HCN$ is a characteristic reaction of the carbonyl group $(>C=O)$.Since glucose react

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Cyanohydrin formation with $HCN$

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(D) The formation of cyanohydrin by the reaction of glucose with $HCN$ is a characteristic reaction of the carbonyl group $(>C=O)$.Since glucose reacts with $HCN$ to form a cyanohydrin,it confirms the presence of a carbonyl group in the open-chain structure of glucose.While the other options also support the presence of specific functional groups,the reaction with $HCN$ is a classic piece of evidence for the open-chain carbonyl structure.

Select the evidence for the open chain structure of glucose.

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