Question
Explain why :
alkyl halides, though polar, are immiscible with water?
alkyl halides, though polar, are immiscible with water?
✓
Answer
To be miscible with water the solute-water force of attraction must be stronger than the solute-solute and waterwater forces of attraction. Alkyl halides are polar molucules and so held together by dipole-dipole interactions.
Similarly, strong H-bonds present between the water molecules. The new force of attraction between the alkyl halides and water molecules is weaker than the alkyl halidealkyl halide and water-water forces of attraction. Hence, alkyl halides (though polar) are immiscible with water.
Similarly, strong H-bonds present between the water molecules. The new force of attraction between the alkyl halides and water molecules is weaker than the alkyl halidealkyl halide and water-water forces of attraction. Hence, alkyl halides (though polar) are immiscible with water.
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