Test For Polarity/ionic Nature Of Solid Flashcards
1
Q
How do you test the polarity of a liquid or the ionic nature of a solid
A
Add a few cm^3 of the liquid to deionised water in a test tube
Or
Add a spatula measure of the solid to a few cm^3 of deionised water in a test tube
2
Q
Liquid mixes with water/one layer
Or
Solid dissolves in water and colourless solution forms
A
Polar liquid- possibly an alcohol/carboxylic acid/short chain aldehyde or ketone
Or
Ionic compound/amino acid
3
Q
Liquid does not mix with water/two layers formed
Or
Solid does not dissolve in water
A
Non-polar liquid
Or
Not an ionic compound
