Which of the following statements is incorrec | vedclass

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(D) $\alpha-D$-glucopyranose and $\beta-D$-glucopyranose are anomers of each other,as they differ in configuration only at the $C-1$ carbon.Both are r

Vedclass · Accepted Answer

Both can reduce Schiff's reagent under normal conditions.

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(D) $\alpha-D$-glucopyranose and $\beta-D$-glucopyranose are anomers of each other,as they differ in configuration only at the $C-1$ carbon.Both are reducing sugars because they contain a hemiacetal group that can open to form an aldehyde group in aqueous solution.Both exhibit mutarotation in aqueous solution as they interconvert through the open-chain form.However,Schiff's reagent is a specific test for aldehydes. While glucose exists in equilibrium with its open-chain aldehyde form,the concentration of the free aldehyde is extremely low (less than $0.01\%$). Therefore,glucose does not restore the pink color of Schiff's reagent under normal conditions,making statement $D$ incorrect.

Which of the following statements is incorrect about $\alpha-D$-glucopyranose and $\beta-D$-glucopyranose?

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