Help needed please (1 Viewer)

[boredofstudyinn]

i need to make an experiment to investigate why ethanol is a good solvent
and need some information about the classes of substances for which ethanol is a good solvent.

- i need the chemical properties of ethanol that make it a good solvent
- general classes of substances that readily dissolved in ethanol
- relate the molecular structure of a substance to its solubility in ethanol


plz try 2 help me out

 

[rarefish]

I'll try my best to help

- Chemical properties that make ethanol a good solvent
Ethanol = Ch3CH2OH or C2H5OH
the OH (hydrogen bonding) is polar and thus dissolves polar substances
the carbon chain is non-polar and thus dissolves non-polar substances. THus it is a good solvent

- small chained hydrocarbons can be dissolved and ALOT of other polar and non-polar substances
- the structure is basically the carbon chain and the alkanol functional group. If you need to, talk about the electronegative oxygen

Hope that helped!

 

[kaz1]

You can also add that the OH end is Hydrphyllic and the H end is hydrophobic.

 

[chowm]

Chemistry contexts 2
http://rapidshare.com/files/316485192/Chemistry_Contexts_2_right_click_to_extract.rar

click on free user to download