The statement -Sucrose has C1-C2 glycosidic linkage between -D-Glucose -D-Fructose- is

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Standard XII

Chemistry

Enzymes

The statement...

Question

The statement 'Sucrose has $C_{1} - C_{2}$ glycosidic linkage between $β$ -D-Glucose & $α$ -D-Fructose' is

True

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False

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Solution

The correct option is B False
In sucrose, C-1 of $α$ -D-glucopyranose is linked to C-2 of $β$ -D-Fructofuranose by glycosidic linkage.
Hence, the given statement is false.

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Similar questions

Match the List-I and List-II:

List I (Saccharides)	List II (Formed by)
(A) Sucrose	(i) $β$ -D glucose $C_{1} - C_{4}$ glycosidic linkage
(B) Lactose	(ii) $α$ -D glucose, $β$ -D fructose $C_{1} - C_{2}$ glycosidic linkage
(C) Cellulose	(iii) $β$ -D glucose, $β$ -D galactose $C_{1} - C_{4}$ glycosidic linkage

Q. Sucrose is composed of α−α− D-glucose and β−β− D-fructose. These two monosaccharide units are held together by α,β -glycosidic linkage.

Q. Assertion :Sucrose is a non reducing sugar. Reason: Sucrose is a disaccharide formed by glycosidic linkage between

C - 1

α -

glucose and

C - 2

β -

fructose.

Q. Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Sucrose is a disaccharide and a non-reducing sugar.
Reason (R): Sucrose involves glycosidic linkage between

C_{1}

β

-glucose and

C_{2}

α

-fructose.

The most appropriate answer from the options given below :

Glycogen is a branched chain polymer of $α - D$ glucose units in which chain is formed by C1-C4 glycosidic linkage whereas branching occurs by the formation of C1-C6 glycosidic linkage. Structure of glycogen is similar to .............. .
(a) amylose (b) amylopectin (c) cellulose (d) glucose

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The statement 'Sucrose has C1−C2 glycosidic linkage between β-D-Glucose & α-D-Fructose' is

The correct option is B FalseIn sucrose, C-1 of α-D-glucopyranose is linked to C-2 of β -D-Fructofuranose by glycosidic linkage.Hence, the given statement is false.

The statement 'Sucrose has $C_{1} - C_{2}$ glycosidic linkage between $β$ -D-Glucose & $α$ -D-Fructose' is

The correct option is B False
In sucrose, C-1 of $α$ -D-glucopyranose is linked to C-2 of $β$ -D-Fructofuranose by glycosidic linkage.
Hence, the given statement is false.