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How are naphthalene and biphenyl similar?
Both are bicyclic aromatic solid compounds insoluble in water
How picrate test differ between anthracene and naphthalene?
The picrate test is used to distinguish between anthracene and naphthalene. When naphthalene is treated with picric acid, a yellow precipitate is formed due to the formation of naphthalene picrate. In contrast, when anthracene is treated with picric acid, an orange or red precipitate is formed due to the formation of anthracene picrate. This color difference can be used to differentiate between the two compounds.
What is the chemical formula for biphenyl?
The chemical formula for biphenyl is C12H10
Is biphenyl soluble in ethanol?
Biphenyl is sparingly soluble in ethanol. While it may dissolve to a small extent, it is not highly soluble in ethanol due to the non-polar nature of biphenyl and the polar nature of ethanol.
Acetyl chloride plus aluminum chloride with biphenyl?
4-acetyl biphenyl
What is a biphenyl?
A biphenyl is a substituted or otherwise altered version of the hydrocarbon C12H10, such as PCBs.
What is the melting point of biphenyl?
the melting point of biphenyl is 70 degrees Celsius.
By which process can you separate a mixture of naphthalene and chalk powder?
Sublimation can be used to separate naphthalene from chalk powder. Naphthalene sublimes at room temperature, while chalk powder does not, allowing for the separation based on this difference in physical properties.
Why does paradichlorobenzene dissolve in naphthalene?
Paradichlorobenzene dissolves in naphthalene because they are both nonpolar compounds. Nonpolar substances are soluble in nonpolar solvents like naphthalene due to similar attractive forces between molecules, known as London dispersion forces. This allows paradichlorobenzene to mix and dissolve evenly in naphthalene.
What is the difference melting point of sodium iodide and naphthalene?
The melting point of sodium iodide is 651°C, while the melting point of naphthalene is 80.2°C. Sodium iodide has a much higher melting point compared to naphthalene due to stronger ionic bonds present in sodium iodide compared to the weaker van der Waals forces in naphthalene.
In which of these solvents would naphthalene C10H8 be most soluble?
Naphthalene would be most soluble in non-polar solvents such as benzene or hexane because it is a non-polar molecule. Polar solvents like water would not dissolve naphthalene well due to the lack of strong intermolecular interactions between the polar water molecules and the non-polar naphthalene molecules.
Experiment for pure and impure naphthalene?
For a simple experiment to distinguish between pure and impure naphthalene, you can try sublimation. Place a small amount of naphthalene in a test tube and heat it gently. If the naphthalene sublimes (converts from solid to gas without melting), leaving no residue, it is likely pure. However, if there is residue left behind, it suggests the naphthalene is impure.
