Solubility Experiment – Flashcards
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Purpose:
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Determine solubility characteristics of organic compounds and determine an unknown
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3 Classes of Solvents
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1. Protic 2. Polar aprotic 3. Nonpolar
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Protic Solvents
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Most polar of the three, characterized by a H bonded to a highly electronegative atom -water, ethanol, methanol
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Polar Aprotic Solvents
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Contain polarized bonds such as C-O bonds -diethyl ether, true ethers
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Non polar Solvents
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Do not contain any polarized bonds -toluene, hexanes, petroleum ether
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Sodium Benzoate
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Most polar solvent -water
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BHT
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Diethyl ether solvent
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Naphthalene
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Least polar solvent -petroleum ether
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Unknowns:
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-Trans-stilbene (petroleum ether) -Benzhydrol (diethyl ether) -Nicotinic acid (water)
