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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.
What is the empirical formula for catechol?
The empirical formula for catechol is C6H6O2.
Is glycerol positive for acrolein test?
Yes, glycerol is positive for the acrolein test. When acrolein is produced from the dehydration of glycerol under acidic conditions, it forms a red color with resorcinol.
How catechol is produced?
Catechol is produced naturally by the body during the breakdown of certain amino acids such as tyrosine. It can also be synthesized industrially from chemicals like phenol through processes like nitration and reduction.
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.
Why catechol has lower melting point than resorcinol and quinol?
Catechol has a lower melting point than resorcinol and quinol due to its molecular structure and the nature of its intermolecular interactions. Catechol's hydroxyl groups are positioned in a way that leads to weaker hydrogen bonding compared to the more symmetrical arrangement in resorcinol and quinol, which enhances their intermolecular attractions. As a result, catechol requires less energy to overcome these interactions during melting, resulting in a lower melting point.
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.
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.
What pH range does catechol oxidase catalyze catechol to benzoquinone?
Catechol oxidase typically catalyzes the oxidation of catechol to benzoquinone most effectively within a pH range of approximately 5 to 7. This slightly acidic to neutral environment is optimal for the enzyme's activity, as it helps maintain the proper ionic state of the active site and substrate. Outside this pH range, the enzyme's activity may decrease significantly.
Why does lemon juice applied to slices of apples or bananas prevent darkening of the fruit?
beacuse the acidic ph caused by lemon juice prevents the oxidation of catechol by catechol oxidase which results in the absence of the product benzoquinone which is brown in color.
Which is a more polar molecule caffeine or resorcinol and why?
Resorcinol is a more polar molecule than caffeine due to its hydroxyl (-OH) groups. Resorcinol has two -OH groups, which can form strong hydrogen bonds and significantly increase its polarity. In contrast, caffeine has a more complex structure with a lesser number of polar functional groups, leading to lower overall polarity compared to resorcinol. Thus, resorcinol's greater hydrogen bonding capability contributes to its higher polarity.
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 composition of catechol solution?
A catechol solution typically contains catechol dissolved in a solvent, such as water or ethanol. The concentration of catechol can vary depending on the application or purpose of the solution. It is important to store catechol solutions properly, as catechol is sensitive to air oxidation.
How does pH range effect the function and structure of catechol oxidase?
Catechol oxidase is an enzyme that is most active at slightly acidic pH levels (pH 6-7). A shift in pH outside of this range can lead to denaturation of the enzyme, disrupting its structure and reducing its activity. Extreme pH levels can also affect the interactions between the enzyme and its substrate, catechol, leading to decreased catalytic efficiency.
What is the IUPAC name of isobutyl methyl ether methyl t-butyl etherresorsinolisobutyl alcohol and catechol?
IUPAC nomenclature: Isobutyl methyl ether : 1-methoxy-2-methylpropane Methyl tert-butyl ether : 2-methoxy-2-methylpropane Resorcinol : 1,3-dihydroxybenzene Catechol : 1,2-dihydroxybenzene Isobutyl alcohol : 2-methyl-1-propanol or 2-methylpropan-1-ol Even more at http://www.scribd.com/doc/14024052/IUPAC-Nomenclature-Exercises-in-Organic-Chemistry prepared by aditya vardhan, the world famous chemist.
What is the empirical formula for catechol?
The empirical formula for catechol is C6H6O2.
Why add catechol to the test tube last?
Adding catechol last in a reaction helps to prevent premature oxidation of catechol by air or other reagents in the solution. This ensures that the catechol remains in its right form for the experiment, allowing for accurate results to be obtained.
