Surface tension increases by increasing the intermolecular forces.
The following information should be considered -
- In the compounds water contains the hydrogen bonding interactions along with dispersion forces.
- These hydrogen bonding interactions are not seen in the acetone which has only dispersion
- So, water has the greater surface tension as compared to acetone.
What increases the surface tension?
- Surface tension rises as temperature falls. In contrast, when surface tension weakens and molecules become more active with rising temperatures, they cease to exist at critical temperature and become zero at their boiling points.
- A liquid's surface tension characteristics will vary if chemicals are added to it.
What increases with increasing intermolecular forces?
Higher its boiling point. The harder it is for a liquid to escape into the vapor phase, the more energy is required to do so, and the higher the intermolecular forces between the liquid particles.
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