Which of the following compounds will show mu | vedclass

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(B) Mutarotation is a characteristic property of reducing sugars that possess a free hemiacetal or hemiketal group (anomeric carbon with an $-OH$ grou

Vedclass · Accepted Answer

$a, b$

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(B) Mutarotation is a characteristic property of reducing sugars that possess a free hemiacetal or hemiketal group (anomeric carbon with an $-OH$ group).$(a)$ This is $\alpha$-$D$-glucopyranose,which has a free hemiacetal group at the $C1$ position and will show mutarotation.$(b)$ This is $\beta$-$D$-fructofuranose,which has a free hemiketal group at the $C2$ position and will show mutarotation.$(c)$ This is a methyl glycoside (methyl $\alpha$-$D$-glucopyranoside),where the hemiacetal $-OH$ is replaced by $-OCH_3$. It cannot open to the linear form and thus does not show mutarotation.$(d)$ This is also a methyl glycoside,which does not show mutarotation.Therefore,only compounds $(a)$ and $(b)$ show mutarotation.

Which of the following compounds will show mutarotation?

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