Alcohol is more volatile than water, because :

Its boiling point is lower than water

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It is an organic liquid

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Its freezing point is lower than water

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Its vapour pressure is 2.5 times greater than water

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Solution

The correct option is B Its vapour pressure is 2.5 times greater than water
Alcohol is more volatile than water, because its vapour pressure is 2.5 times greater than water. A liquid vaporises when its vapour pressure become equal to atmosphere pressure.

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Similar questions

The water boils when :

1.Saturated vapour pressure of water becomes equal to atmospheric pressure

2. Boiling point of water becomes more than atmospheric pressure

3. Saturated vapour pressure of water is less than atmospheric pressure

4. Vapour pressure of water becomes more than atmospheric pressure

Alcohol has ___ boiling point than water.

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