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which is the actual structure of glucose?the straight chain oprn ring structure or the cyclic structure?

which is the actual structure of glucose?the straight chain oprn ring structure or the cyclic structure?

Grade:12

1 Answers

AskiitianExpert Pramod-IIT-R
47 Points
11 years ago

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The structure of glucose is as a chain. In reality, an aqueous sugar solution contains only 0.02% of the glucose in the chain form, the majority of the structure is in the cyclic chair form.

 

Since carbohydrates contain both alcohol and aldehyde or ketone functional groups, the straight-chain form is easily converted into the chair form - hemiacetal ring structure. Due to the tetrahedral geometry of carbons that ultimately make a 6 membered stable ring , the -OH on carbon #5 is converted into the ether linkage to close the ring with carbon #1. This makes a 6 member ring - five carbons and one oxygen.

 

PRAMOD

IITR ALUMNI

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