(a) Statement- 1 is True, Statement- 2 is True; Statement- 2...

(a) Statement- 1 is True, Statement- 2 is True; Statement- 2 is a correct explanation for Statement-1 (b) Statement- 1 is True, Statement- 2 is True; Statement- 2 is NOT a correct explanation for Statement- 1 (c) Statement- 1 is True, Statement- 2 is False (d) Statement- 1 is False, Statement- 2 is True Statement 1 Maltose is a reducing disaccharide while sucrose is a non-reducing disaccharide. and Statement 2 Maltose contains a hemiacetal linkage while sucrose does not contain such a linkage.

(a) Statement- 1 is True, Statement- 2 is True; Statement- 2 is a correct explanation for Statement-1
(b) Statement- 1 is True, Statement- 2 is True; Statement- 2 is NOT a correct explanation for Statement- 1
(c) Statement- 1 is True, Statement- 2 is False
(d) Statement- 1 is False, Statement- 2 is True
Statement 1 Maltose is a reducing disaccharide while sucrose is a non-reducing disaccharide. and
Statement 2 Maltose contains a hemiacetal linkage while sucrose does not contain such a linkage.

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Key Concepts

Disaccharides

Disaccharides are carbohydrates formed by the condensation of two monosaccharide units linked by a glycosidic bond. Their properties, such as whether they are reducing or non-reducing sugars, depend on the specific linkage between the sugar units.

Reducing and Non-Reducing Sugars

Reducing sugars have a free anomeric carbon that can open to form an aldehyde or ketone group, enabling them to act as reducing agents. In contrast, non-reducing sugars have their anomeric carbons involved in the glycosidic bond, preventing the formation of the reactive open-chain form.

Hemiacetal Linkage

A hemiacetal linkage forms when an alcohol group reacts with an aldehyde (or ketone) within the same molecule, leading to a cyclic structure. In carbohydrates, the presence or absence of a free hemiacetal group is key to determining whether the sugar is reducing or non-reducing.

Glycosidic Bond

Glycosidic bonds are the covalent linkages that connect monosaccharides in disaccharides and polysaccharides. The position of this bond (whether it involves one or both anomeric carbons) is crucial, as it influences the molecule's ability to participate in redox reactions and thus its status as a reducing or non-reducing sugar.

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