Question:

The surface tension of which of the following liquids is maximum?

Updated On: Aug 1, 2022
  • $H_2O$
  • $C_6H_6$
  • $CH_3OH$
  • $C_2H_5OH$
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The Correct Option is A

Solution and Explanation

Surface tension of $H_2O$ is maximum due to maximum hydrogen bonding in comparison to $C_6H_6, CH_3OH, C_2H_5OH $. The order of H-bonding is $H_2O > CH_3OH > C_2H_5OH$ (Benzene does not form H-bond).
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Concepts Used:

Liquid State

The liquid state of matter has the following properties:

  • As the particles moves it start moving everywhere inside the volume filled by the liquid.
  • Liquids have a strong inter-particle force, more inter-particle space than solids and enough kinetic energy.
  • It can be transformed into solids due to the solidification process.
  • Evaporation is the conversion of liquids to gases.
  • Liquid particles begin to flow more quickly when the temperature rises.
  • Liquids are difficult to compress because there is less space between particles for particles to migrate.
  • Constant volume but no constant shape.
  • In liquids, the rate of diffusion is faster than in solids.
  • Inter molecular attraction between particles is weaker than that between solids.

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