The boiling points of ethyl alcohol and water are $78 ° C and 100 ° C$ respectively. From these two liquids which one has the interparticle forces of attraction stronger?

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Water

Both water and ethyl alcohol

Intermolecular force doesn't affect the boiling point

Ethyl alcohol

answer is A.

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Detailed Solution

The interparticle forces of attraction are stronger in water as compared to ethyl alcohol.

The boiling point of a liquid is determined by the strength of the intermolecular forces present in that liquid. Water has a strong bonding between its molecules. This creates relatively strong forces that require more energy to break, resulting in a higher boiling point of 100°C.

On the other hand, ethyl alcohol has weaker intermolecular forces compared to water. As a result, ethanol has a lower boiling point of 78°C.

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