Why might you expect para-dichlorobenzene to dissolve in naphthalene?
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1 Answer
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Both are non polar solvents, so as the type of intermolecular forces between their molecules are same, so they dissolve in each other.
Relevant information
Question:
Why might you expect para-dichlorobenzene to dissolve in naphthalene?
Polar and Non-Polar Bonds:
A covalent bond can exist as a polar covalent bond or a non-polar covalent bond. Polar bonds form when the two atoms in a molecule do not share electrons equally so that there is a dipole moment across the bond. When two atoms in a molecule share electrons evenly in a covalent bond, non-polar bonds form. So there is no net dipole across the molecule.
Answer and Explanation:
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para-Dichlorobenzene and naphthalene, are both non-polar organic compounds . When we look at the solubility of organic compounds, there is a phrase “like dissolves like”. i.e., polar solutes are found to be more soluble in polar solvents, whereas non-polar solutes are found to be more soluble in non-polar solvents.
So, here since both para-dichlorobenzene and naphthalene are non-polar compounds, the intermolecular forces between their molecules will be similar. Hence, para-dichlorobenzene is expected to dissolve in naphthalene.