Glucose on reacting with Benedict's solution | vedclass

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(A) Benedict's solution is a chemical reagent used to test for the presence of reducing sugars like glucose.When glucose reacts with Benedict's soluti

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Violet precipitate

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(A) Benedict's solution is a chemical reagent used to test for the presence of reducing sugars like glucose.When glucose reacts with Benedict's solution,it reduces the copper$(II)$ ions $(Cu^{2+})$ to copper$(I)$ oxide $(Cu_2O)$.The color of the precipitate depends on the concentration of the reducing sugar present.- $A$ green precipitate indicates a low concentration of reducing sugar.- $A$ yellow to orange precipitate indicates a moderate concentration.- $A$ brick-red precipitate indicates a high concentration of reducing sugar.- $A$ violet precipitate is not formed in this reaction; it is characteristic of the Biuret test for proteins.

Column-$I$	Column-$II$
$P$. Chitin	$I$. $\alpha$-glucose
$Q$. Starch,Glycogen	$II$. $\beta$-glucose
$R$. Cellulose	$III$. $N$-acetyl glucosamine
$S$. Inulin	$IV$. Fructose

Glucose on reacting with Benedict's solution may give the following precipitates except:

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Column-$I$ Column-$II$

$P$. Chitin $I$. $\alpha$-glucose

$Q$. Starch,Glycogen $II$. $\beta$-glucose

$R$. Cellulose $III$. $N$-acetyl glucosamine

$S$. Inulin $IV$. Fructose

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