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why acnetone is least volatile

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why acnetone is least volatile

Posted by Rakesh Jain 4 years, 4 months ago

CBSE > Class 09 > Science

1 answers

Meghna Thapar 4 years, 4 months ago

Volatility refers to how easily a solute can become a vapor or gas. In general, a substance with a boiling point of less than 100 degrees Celsius (212 degrees Fahrenheit) is volatile, which means it can vaporize. Substances with higher boiling points are nonvolatile. Evaporation is an endothermic phenomenon, i.e. it absorbs heat in order to proceed. Acetone is a volatile solvent (it evaporates easily) so it absorbs much heat when evaporating, and your skin gets colder because of that. Stronger intermolecular forces would make the substance less volatile. As noted in the first response, methanol is more volatile than ethanol. Methanol and ethanol would both have both hydrogen bonding (a relatively strong type of dipole-dipole attraction) and London dispersion forces.

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