Organic Chemistry

What liquid is more volatile between ethanol methanol acetone dichloromethane and water?

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2014-06-25 09:39:01
2014-06-25 09:39:01

Ethanol boiling point: 78.37 °C

Methanol Boiling point: 64.7 °C

Acetone Boiling point: 56 to 57 °C

dichloromethane Boiling Point: 39.8-40.0°C

Water Boiling Point: 100°C

dichloromethane more volatile than the others

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Between ethanol and methanol, ethanol is more volatile because of its lower molecular weight and boiling point.Methanol is considered to be extremely toxic. Exposure to even small amounts have been known to cause blindness. Methanol is quite volatile and is five times more toxic than any other alternative fuels.

No, because their polarities are too far apart. You can circumvent this by adding a solvent that has a polarity in between these two solvents, e.g. ethanol, methanol, dioxane, dimethylformamide or dimethylsulfoxide.

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