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Structural formula of resorcinol?
The formula is C6H6O2 and it is 1,3-dihydroxy benzene.
What is conditions of reaction between phthalic anhydride and resorcinol?
Phthalic anhydride and resorcinol undergo a condensation reaction to form a compound called resorcinol phthalic anhydride resin. This reaction typically occurs in the presence of a catalyst, such as sulfuric acid, and at elevated temperatures around 150-200°C. The reaction leads to the formation of a polymeric material with good thermal and chemical resistance properties.
What is the chemical formula for magneson reagent?
The chemical formula for Magneson reagent is C8H8O4S2Mg.
What are the uses for resorcinol-resin glues?
Resorcinol-resin glues are commonly used for bonding wood, plywood, and laminated materials in applications where high strength and durability are required. They are especially suited for outdoor applications due to their resistance to water, heat, and chemicals. Additionally, they are often used in boat building, timber construction, and aircraft manufacturing.
What test can be used to identify the presence of the fructose?
Seliwanoff's test is used to differentiate aldose [glucose] from ketose [fructose]. Seliwanoff's reagent is composed of resorcinol and HCl. When heated with concentrated hydrochloric acid, the polysaccharides and oligosaccharides hydrolyze to yield monosaccharides. Then, resorcinol reacts in the dehydrated ketose to form oxymethylfurfurol produce a deep cherry red color [red precipitate]. Aldoses produces a faint pink colored solution.
Why is resorcinol used to test honey?
Resorcinol is used to test honey to see if sugar has been added to the honey. After adding the solution of resorcinol to the honey boil it, if the mixture turns red it means sugar is added and the honey is not pure.
What is more acidic catechol or resorcinol?
Resorcinol is more acidic than catechol. This is because resorcinol has three -OH groups that are more acidic than the two -OH groups in catechol.
What is C6H6O2?
C6H6O2 is the chemical formula for resorcinol, which is a compound commonly used in chemical and pharmaceutical industries as a building block for various products.
Chemical name of resorcinol?
1,3-dihydroxybenzene
What is the IUPAC name of resorcinol?
meta Dihydroxybenzene
Why resorcinol is soluble in water?
Resorcinol is soluble in water due to its ability to form hydrogen bonds with water molecules. The hydroxyl groups present in the resorcinol molecule can participate in hydrogen bonding with water molecules, allowing it to dissolve in water.
Is Resorcinol polar or non-polar?
Resorcinol is polar. It contains hydroxyl groups which make it polar due to the electronegativity difference between oxygen and hydrogen.
Is resorcinol soluble in water?
Resorcinol is 1,3-dihydroxy benzene, it is acidic and two 'OH' groups make the system sufficiently polar so it is soluble in polar solvent water.
What is the function of the resorcinol in the seliwanoff's test?
In Seliwanoff's test, resorcinol acts as a reagent to differentiate between aldose and ketose sugars. When ketoses, like fructose, are present, they react with resorcinol under acidic conditions to produce a cherry-red complex, indicating a positive result. In contrast, aldoses, such as glucose, do not yield the same reaction, resulting in a different color change. Thus, resorcinol is crucial for identifying the presence of ketoses in the tested carbohydrate sample.
What is the functions of resorcinol in selewanoff's test?
Resorcinol acts as a color reagent in the Seliwanoff's test for differentiating between ketoses and aldoses. It reacts with ketoses to form a red complex, while aldoses do not produce a color change. This helps to visually distinguish between the two types of sugars based on their unique reactions with resorcinol.
What is the color of phenolic solution?
Phenolic solution can vary in color depending on the specific compound it contains. It can range from colorless to yellow, red, or brown. The color is often due to the presence of phenolic compounds such as phenol or resorcinol.
Why is it necessary to spray the chromatogram with resorcinol?
Spraying the chromatogram with resorcinol helps visualize the separation of compounds by reacting with any spots containing carbohydrates, producing purple-colored bands that are easy to detect. This visualization step aids in identifying and quantifying the carbohydrates present in the sample.
