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Why only phenol dissolve in aqueous NaOH?
Phenol is not dissolved in a sodium hydroxide solution; having the characteristics of a weak acid phenol react with NaOH.
Why phenol does not dissolve in water when excess?
Phenol is slightly soluble in water due to hydrogen bonding between the hydroxyl group of phenol and water molecules. However, when excess phenol is added, it disrupts the hydrogen bonding network of water molecules, making it less soluble. This is because phenol-phenol interactions become stronger than phenol-water interactions, leading to precipitation.
What will you observe when phenol crystals are kept in an open container for half an hour?
When phenol crystals are kept in an open container for half an hour, you will observe that they begin to sublimate, transitioning from a solid state directly to a gas. As the phenol evaporates, the characteristic odor of phenol will become noticeable in the surrounding air. Additionally, the remaining crystals may appear diminished in quantity and could become slightly more granular or powdery due to the loss of material.
Will phenol dissolve in boiling water?
Yes, phenol is soluble in water, including boiling water. Phenol is partially soluble in water due to its ability to form hydrogen bonds with water molecules, especially at higher temperatures like boiling water.
Will salt crystals dissolve more rapidly in stirred or unstirred water?
Salt crystals will dissolve more rapidly in stirred water compared to unstirred water. Stirring water helps to increase the contact between the salt crystals and the water molecules, facilitating the dissolution process.
Why only phenol dissolve in aqueous NaOH?
Phenol is not dissolved in a sodium hydroxide solution; having the characteristics of a weak acid phenol react with NaOH.
Is phenol a solid or liquid?
Phenol is a viscous liquid or can be crystals as phenol has a melting point of 40.5°C which would make it a solid at room temperature.
Why phenol does not dissolve in water when excess?
Phenol is slightly soluble in water due to hydrogen bonding between the hydroxyl group of phenol and water molecules. However, when excess phenol is added, it disrupts the hydrogen bonding network of water molecules, making it less soluble. This is because phenol-phenol interactions become stronger than phenol-water interactions, leading to precipitation.
What will you observe when phenol crystals are kept in an open container for half an hour?
When phenol crystals are kept in an open container for half an hour, you will observe that they begin to sublimate, transitioning from a solid state directly to a gas. As the phenol evaporates, the characteristic odor of phenol will become noticeable in the surrounding air. Additionally, the remaining crystals may appear diminished in quantity and could become slightly more granular or powdery due to the loss of material.
Can Copper Sulphate crystals dissolve?
Yes, Copper Sulphate crystals can dissolve in water to form a blue solution.
What does krypton dissolve into?
Kryptonite Crystals?
Will phenol dissolve in boiling water?
Yes, phenol is soluble in water, including boiling water. Phenol is partially soluble in water due to its ability to form hydrogen bonds with water molecules, especially at higher temperatures like boiling water.
Can copper sulphate crystals dissolve in water?
Yes, copper sulfate crystals can dissolve in water. When added to water, the crystals break down into copper ions and sulfate ions, forming a solution of copper sulfate.
How can you dissolve blue copper sulphate crystals faster?
You can dissolve blue copper sulphate crystals faster by increasing the temperature of the solvent (water), stirring the solution, or crushing the crystals to increase the surface area in contact with the solvent.
How do you dissolve Borax crystals that have formed in containers?
You can dissolve Borax crystals in containers by soaking them in hot water and stirring until the crystals are fully dissolved. You can also add a small amount of vinegar or lemon juice to help break down the crystals. Alternatively, you can use a commercial descaler product specifically designed to dissolve minerals like Borax.
What surfactant can dissolve lead sulfate crystals?
Sodium dodecyl sulfate (SDS) is commonly used as a surfactant that can dissolve lead sulfate crystals. It helps to disperse the crystals and prevent them from settling or agglomerating, promoting better dissolution.
How do a dissolve borax crystals that dried on a wooden wall?
You can try soaking the affected area with warm water to help dissolve the borax crystals. Once the crystals have softened, gently scrub the area with a soft brush or cloth. Repeat the process as needed until the crystals are fully dissolved.
