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From Wikipedia

Protic solvent

In chemistry a protic solvent is a solvent that has a hydrogen atom bound to an oxygen (as in a hydroxyl group) or a nitrogen (as in an amine group). More generally, any molecular solvent which contains dissociable H+, is called a protic solvent. The molecules of such solvents can donate an H+ (proton). Conversely, aprotic solvents cannot donate hydrogen.

Polar protic solvents are solvents that share ion dissolving power with aprotic solvents but have an acidic hydrogen. These solvents generally have high dielectric constants and high polarity.

Common characteristics of protic solvents :

Examples are water, methanol, ethanol, formic acid, hydrogen fluoride and ammonia.

Polar aprotic solvents are solvents that share ion dissolving power with protic solvents but lack an acidic hydrogen. These solvents generally have intermediate dielectric constants and polarity.

Common characteristics of aprotic solvents:

Examples are dimethyl sulfoxide, dimethylformamide, dioxane and hexamethylphosphorotriamide, tetrahydrofuran.

Polar protic solvents are favorable forSN1 reactions, while polar aprotic solvents are favorable for SN2 reactions.

Apart from solvent effects, polar aprotic solvents may be essential for reactions which use strong bases, such as reactions involving Grignard reagents or n-butyllithium. If a protic solvent were to be used, the reagent would be consumed by a side reaction with the solvent.

An example of a dipolar aprotic solvent is methylpyrrolidone.

Properties of common solvents

The solvents are grouped into non-polar, polar aprotic, and polar protic solvents and ordered by increasing polarity. The polarity is given as the dielectric constant. The properties of solvents that exceed those of water are bolded.

From Yahoo Answers

Question:I get why it's polar, due to the OH- group, but why is it also a non polar solvent?

Answers:The rest of the molecule is the carbons surrounded by hydrogens, like an alcane. Ethanol is considered polar because it's so small.

Question:I am looking to use this in an experiment to substitute Coleman's White Gas. I cannot use white gas because I cannot find it in stores. What is an easy to find non-polar solvent I can use?

Answers:Alcohol is a polar solvent so it will not work. Non-polar solvents are kerosene and gasoline. However, these are dangerous to handle and very flammable. You can try mineral oil.

Question:Is sugar, alcohol, margarine polar or nonpolar

Answers:sugar - polar alcohol - polar (ethyl alcohol behaves not too differently from H2O, NB there are long chain alcohols that dissolve well in non-polar solvents) margarine - non polar

Question:I've researched and found that Acetone is highly polar. But while doing my Beet Membrane Lab, where Acetone was mixed with a piece of a Beet causing damage to the Beet Cells, it says that the Acetone is capable of dissolving hydrophobic phospholipids? How can this supposed Polar Solvent dissolve non-polar Phospholipids??

Answers:It is polar. That is part of the reason it mixes with water. It is also soluble with nonpolar substances like hydrocarbons because of the two methyl side groups.

From Youtube

Dosely - Non Polar Solvent :a dubstep and ambient inspired track w/ MilkDrop visuals