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Is fructose a ketone?
No, fructose is a monosaccharide sugar that is classified as a ketohexose. It contains a ketone functional group in its structure.
What functional group makes a carbohydrate polar?
The hydroxyl (-OH) functional group in carbohydrates makes them polar. This group is present in monosaccharides like glucose and fructose, adding polarity to the molecule.
Which macro molecule contains both a hydrogen funtional group and a hydroxyl functional group and is a source of energy for organisms?
Carbohydrates contain both a hydroxyl (-OH) functional group and a hydrogen (-H) functional group, making them a source of energy for organisms. Sugars like glucose and fructose are examples of carbohydrates that fit this description.
Is fructose gives positive test with tollens reagent?
Fructose does not give a positive test with Tollens' reagent because it is a reducing sugar that does not have a free aldehyde group capable of reducing the Tollens' reagent. Tollens' reagent is typically used to detect the presence of aldehydes but may not react with fructose due to its ketone functional group.
Why fructose is reducing sugar?
Fructose has a free ketone group.
Is fructose a ketone?
No, fructose is a monosaccharide sugar that is classified as a ketohexose. It contains a ketone functional group in its structure.
What functional group makes a carbohydrate polar?
The hydroxyl (-OH) functional group in carbohydrates makes them polar. This group is present in monosaccharides like glucose and fructose, adding polarity to the molecule.
How does the Fischer projection of D-fructose differ from D-glucose?
In the Fischer projection, D-fructose has a ketone functional group on the second carbon, while D-glucose has an aldehyde functional group on the first carbon. Additionally, D-fructose is a ketohexose with a five-membered ring structure, while D-glucose is an aldohexose with a six-membered ring structure.
Which macro molecule contains both a hydrogen funtional group and a hydroxyl functional group and is a source of energy for organisms?
Carbohydrates contain both a hydroxyl (-OH) functional group and a hydrogen (-H) functional group, making them a source of energy for organisms. Sugars like glucose and fructose are examples of carbohydrates that fit this description.
Why o-toluidine method cannot be used for the detection of fructose in a solution?
The o-toluidine method is specific to detecting glucose because o-toluidine reacts specifically with aldehyde functional groups on glucose molecules. Fructose does not have an aldehyde functional group, so it will not react with o-toluidine in the same way as glucose, making this method ineffective for detecting fructose in a solution.
What functional group are found in a monosaccharide?
Monosaccharides are classified by the number of carbon atoms and the types of functional groups present in the sugar. For example, glucose and fructose have the same chemical formula (C6H12O6), but a different structure: glucose having an aldehyde (internal hydroxyl shown as: -OH) and fructose having a keto group (internal double-bond O, shown as: =O). This functional group difference, as small as it seems, accounts for the greater sweetness of fructose as compared to glucose.
Is fructose gives positive test with tollens reagent?
Fructose does not give a positive test with Tollens' reagent because it is a reducing sugar that does not have a free aldehyde group capable of reducing the Tollens' reagent. Tollens' reagent is typically used to detect the presence of aldehydes but may not react with fructose due to its ketone functional group.
Why do fructose and galactose have different names when they have the same atoms and the numbers are the same?
The difference is actually in their structures. Galactose is an aldose wiith formyl functional group and belongs ti aldehydes. Whereas fructose is ketose and belongs to ketones.
What is the CH3CH2CH2-NH2 functional group?
The functional group is the NH2. It is an amino functional group.
Why fructose is reducing sugar?
Fructose has a free ketone group.
Why fructose give two product on reduction?
Fructose can yield two products upon reduction because it has both a ketone and an aldehyde functional group. When reduced, fructose can transform into two different isomers: D-fructose can be reduced to D-glucose (an aldehyde) or D-sorbitol (an alcohol). The presence of the ketone group allows for the formation of different products depending on the specific conditions and reagents used in the reduction process. This duality in product formation is a result of the structural flexibility of the fructose molecule.
What are the functional group of apple fruit?
The main functional group present in an apple fruit is the hydroxyl group (-OH), which can be found in compounds such as sugars (e.g. glucose, fructose) and organic acids (e.g. malic acid). Additionally, apples may also contain other functional groups such as esters (e.g. ethyl acetate) and aldehydes (e.g. hexanal), contributing to their flavor and aroma.
