Why does oil not dissolve well in water?
Answer and explanation
Correct answer: Oil is non-polar and water is polar
Water is a strongly polar solvent, whereas most common oils consist mainly of non-polar molecules. Oil molecules cannot form interactions with water strong enough to compensate for disrupting water–water attractions, so the substances separate into layers. Their different colour, density, or the false claim that oil is always solid is not the main reason.
Frequently asked questions
What is the correct answer to this question?
Oil is non-polar and water is polar
Why is this the correct answer?
Water is a strongly polar solvent, whereas most common oils consist mainly of non-polar molecules. Oil molecules cannot form interactions with water strong enough to compensate for disrupting water–water attractions, so the substances separate into layers. Their different colour, density, or the false claim that oil is always solid is not the main reason.
Which subject and chapter does this question cover?
This is a Class 11 Chemistry question. Chapter: Chapter 01: Solutions.
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