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How can naphthalene be separated from a mixture of naphthalene and common salt.explain?
Naphthalene can be separated from common salt by sublimation since naphthalene sublimes at a lower temperature than common salt. By heating the mixture, naphthalene will turn directly from a solid to a gas, leaving behind the common salt as a solid residue. The naphthalene gas can then be cooled and collected back as a solid.
Can iodine and naphthalene be separated by sublimation?
Yes, iodine and naphthalene can be separated by sublimation because they have different sublimation points. Iodine sublimes at a lower temperature compared to naphthalene, allowing for the selective separation of the two substances based on their sublimation properties.
What solid sublimes on heating?
Some solids are Carbon dioxide, Snow, Iodine and Naphthalene
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.
What kind of solids are iodine and naphthalene?
Iodine is a molecular solid composed of diatomic molecules of I2, held together by weak van der Waals forces. Naphthalene is a covalent molecular solid made of individual naphthalene molecules held together by London dispersion forces.
Why mothballs turn small?
Mothballs turn small because they are made of a volatile chemical compound, such as naphthalene or paradichlorobenzene, that sublimes into a gas at room temperature. As the compound sublimes, it changes from a solid state directly to a gas, causing the mothballs to shrink over time.
Naphthalene sublimes easily but potassium bromide does not How could you separate these two substances?
One possible way to separate naphthalene and potassium bromide is through sublimation. Naphthalene can be sublimed by heating the mixture, allowing it to vaporize and then condense back into solid form. Since potassium bromide does not sublime easily, it would remain in the solid state and can be separated from the naphthalene vapor.
How can naphthalene be separated from a mixture of naphthalene and common salt.explain?
Naphthalene can be separated from common salt by sublimation since naphthalene sublimes at a lower temperature than common salt. By heating the mixture, naphthalene will turn directly from a solid to a gas, leaving behind the common salt as a solid residue. The naphthalene gas can then be cooled and collected back as a solid.
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.
Can iodine and naphthalene be separated by sublimation?
Yes, iodine and naphthalene can be separated by sublimation because they have different sublimation points. Iodine sublimes at a lower temperature compared to naphthalene, allowing for the selective separation of the two substances based on their sublimation properties.
What solid sublimes on heating?
Some solids are Carbon dioxide, Snow, Iodine and Naphthalene
Why does the size of naphthalene balls reduce if it is kept in open?
because it sublimes in the air. in easier language it dissolved n air easily
Does naphthalene decompose when gently heated?
Yes, naphthalene sublimes and undergoes vaporization at temperatures above 80 degrees Celsius rather than decomposing directly. At temperatures exceeding its sublimation point, naphthalene converts from a solid to a gas without passing through a liquid phase.
Why do napthalene balls kept in woollens disappear on their own after one season?
Naphthalene sublimes over time. That means it turns into vapour which disappears into the air.
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.
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.
What kind of solids are iodine and naphthalene?
Iodine is a molecular solid composed of diatomic molecules of I2, held together by weak van der Waals forces. Naphthalene is a covalent molecular solid made of individual naphthalene molecules held together by London dispersion forces.
