Solubility of Organic Compounds - University of Calgary
SOL 1.2 Solubility Classification Since the polarity of an organic molecule is related to the presence of polar bonds that are found within functional groups, the solubility characteristics of an organic compound can provide experimental
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ORGANIC LABORATORY TECHNIQUES 3 3.1 …
www.chem.ucalgary.caORGANIC LABORATORY TECHNIQUES 3 3.3 c. Hot filtration Never heat organic solvents with a Bunsen burner. Use a hot plate or a hot water bath on a hot plate. Sometimes during a gravity filtration, crystals can …
BOILING POINT DETERMINATION - Chemistry
www.chem.ucalgary.ca• BOILING POINT DETERMINATION The physical properties of a compound, such as melting point and boiling point can provide useful information which can help in the identification of a sample or to establish its purity. Since the boiling point of an unknown sample under the same conditions (e.g. same pressure) is a constant, a measured
ORGANIC LABORATORY TECHNIQUES 7
www.chem.ucalgary.caUse drying agent (quick link to video : drying agents) In order to use a drying agent such as sodium sulfate or magnesium sulfate, the drying agent is just added to the solution using a spatula then the solution is stirred or swirled or shaken and set …
ORGANIC LABORATORY TECHNIQUES 4 - Chemistry
www.chem.ucalgary.cadepression of the melting point and an increase in the melting point range. Consequently, the melting point of a compound is a criterion for purity as well as for identification. The melting point of an organic solid can be determined by introducing a tiny amount into a small capillary tube, attaching this to the stem of a thermometer centred ...
ORGANIC LABORATORY TECHNIQUES 3 3.1 FILTRATION …
www.chem.ucalgary.caORGANIC LABORATORY TECHNIQUES 3 3.1 FILTRATION METHODS There are several filtration methods : simple or gravity, hot and vacuum filtrations. The selection of the appropriate method is typically dictated by the nature of the experimental situation. The answers to each these questions help dictate what type of set up is required. 1.
Solubility of Organic Compounds
www.chem.ucalgary.ca1-octanol 0.3 1-nonanol 0.13 1-decanol 0.037 1-dodecanol 0.004 The polar hydroxyl group (-OH) can interact favourably with the structurally similar water molecules (via hydrogen bonding). Therefore, short chain alcohols are water soluble, but as the organic part gets larger
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