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The best solvent for naphthalene is typically benzene, as it has a similar polarity and can effectively dissolve naphthalene. Other suitable solvents include toluene and xylene, which also provide good solubility due to their aromatic nature. When choosing a solvent, it's important to consider the application and potential health and environmental impacts of the solvents.
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A sample of 8.76 g of naphthalene is dissolved in 84.5 g of benzene. What is the percent by mass of naphthalene in this solution?
The total mass of solute and solvent is 8.76 + 84.5 = 93.26 g. Percentage of naphthalene = 8.76/93.26 x 100 = 9.39 %.
How naphthalene and potassium sulphate mixture separated from each other?
Naphthalene and potassium sulfate can be separated through a process called recrystallization. Since naphthalene is soluble in organic solvents like ethanol or acetone but potassium sulfate is soluble in water, one can dissolve the mixture in a suitable solvent. Afterward, the solution can be filtered to remove the insoluble potassium sulfate, and naphthalene can be recovered by evaporating the solvent. Alternatively, differences in melting points could also be exploited, as naphthalene has a melting point of about 80°C, while potassium sulfate remains solid at that temperature.
Friedel Crafts acylation of naphthalene depend on type of solvent used?
Yes, the Friedel-Crafts acylation of naphthalene can depend on the type of solvent used. Non-polar solvents like dichloromethane or chlorobenzene are typically preferred as they help maintain the reactivity of the acyl chloride reactant. Polar solvents may interfere with the reaction by complexing with the Lewis acid catalyst or the acyl chloride.
Why is naphthalene more soluble in petroleum ether than in water?
Naphthalene is more soluble in petroleum ether than in water because naphthalene is nonpolar and petroleum ether is also nonpolar. Like dissolves like, so nonpolar solvents like petroleum ether are better able to dissolve nonpolar solutes like naphthalene. Water is a polar solvent and does not interact well with nonpolar solutes like naphthalene, resulting in low solubility.
What is the effect of adding p nitrotoluene to the freezing point of naphthalene?
Adding p-nitrotoluene to naphthalene will lower the freezing point of the mixture. This is due to the phenomenon of freezing point depression, where the presence of a solute lowers the freezing point of the solvent. The greater the concentration of the solute in the solvent, the lower the freezing point will be.
What is the solute and solvent of naphthalene on air?
In this context, the solute is naphthalene while the solvent is air. Naphthalene is the substance that is being dissolved in the air.
What would be a good solvent at room temperature for naphthalene C10H8 Water ethanol or pentane?
Pentane would be a good solvent at room temperature for naphthalene (C10H8) as it is non-polar and can dissolve non-polar compounds like naphthalene effectively. Water and ethanol are polar solvents and would not dissolve naphthalene well.
Why is naphthalene soluble in ethyl acetate?
Naphthalene is soluble in ethyl acetate due to their similar polarities and the nature of their interactions. Naphthalene is a nonpolar aromatic hydrocarbon, while ethyl acetate is a polar aprotic solvent; however, ethyl acetate has a significant nonpolar character due to its hydrocarbon tail. The dispersion forces and dipole-induced dipole interactions between the nonpolar parts of naphthalene and ethyl acetate facilitate its solubility. As a result, naphthalene can dissolve in ethyl acetate, making it an effective solvent for extracting or dissolving naphthalene.
Why is naphtalene soluble in acetone?
Naphthalene is soluble in acetone because both substances are nonpolar. Acetone is a polar aprotic solvent, which can dissolve nonpolar substances like naphthalene due to the weak van der Waals forces between the acetone molecules and naphthalene particles.
A sample of 8.76 g of naphthalene is dissolved in 84.5 g of benzene. What is the percent by mass of naphthalene in this solution?
The total mass of solute and solvent is 8.76 + 84.5 = 93.26 g. Percentage of naphthalene = 8.76/93.26 x 100 = 9.39 %.
How naphthalene and potassium sulphate mixture separated from each other?
Naphthalene and potassium sulfate can be separated through a process called recrystallization. Since naphthalene is soluble in organic solvents like ethanol or acetone but potassium sulfate is soluble in water, one can dissolve the mixture in a suitable solvent. Afterward, the solution can be filtered to remove the insoluble potassium sulfate, and naphthalene can be recovered by evaporating the solvent. Alternatively, differences in melting points could also be exploited, as naphthalene has a melting point of about 80°C, while potassium sulfate remains solid at that temperature.
Friedel Crafts acylation of naphthalene depend on type of solvent used?
Yes, the Friedel-Crafts acylation of naphthalene can depend on the type of solvent used. Non-polar solvents like dichloromethane or chlorobenzene are typically preferred as they help maintain the reactivity of the acyl chloride reactant. Polar solvents may interfere with the reaction by complexing with the Lewis acid catalyst or the acyl chloride.
What is the solubility of napathalene in water and ethanol?
Naphthalene is insoluble in water but soluble in ethanol. In water, naphthalene forms a suspension due to its non-polar nature, while in ethanol, it dissolves because of the similar polarities of the solute and solvent.
What is the best solvent to use for removing Gorilla Glue from surfaces?
Acetone is the best solvent for removing Gorilla Glue from surfaces.
What happens to sulphur when it is added to naphthalene?
When sulfur is added to naphthalene, it can form a chemical compound known as sulfurized naphthalene. This can improve the lubricity and anti-wear properties of the naphthalene, making it suitable for use as a lubricant or as an additive in lubricating oils.
Why is naphthalene more soluble in petroleum ether than in water?
Naphthalene is more soluble in petroleum ether than in water because naphthalene is nonpolar and petroleum ether is also nonpolar. Like dissolves like, so nonpolar solvents like petroleum ether are better able to dissolve nonpolar solutes like naphthalene. Water is a polar solvent and does not interact well with nonpolar solutes like naphthalene, resulting in low solubility.
What is the effect of adding p nitrotoluene to the freezing point of naphthalene?
Adding p-nitrotoluene to naphthalene will lower the freezing point of the mixture. This is due to the phenomenon of freezing point depression, where the presence of a solute lowers the freezing point of the solvent. The greater the concentration of the solute in the solvent, the lower the freezing point will be.
