At same temperature, why vapour pressure of water is more than mercury?
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It is because of hydrogen bonding present in aate molecules.
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Answer : due to high surface tension of mercury
Explanation:
Vapor pressure of a liquid or solution is the pressure exerted by the vapors in equilibrium with the liquid or solution at a particular temperature.
Nature of liquid affects the vapor pressure. Weaker are the inter molecular forces, greater is the amount of vapor because more molecules can leave the liquid and come into vapor phase.
Vapor pressure of mercury is low compared to water because the forces of interactions between the atoms of mercury are stronger than the hydrogen bonding that holds together several molecules of water.
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