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An experiment to prepare ethene gas from ethanol and examine its properties.
Member rating: No Rating | Words: | Submitted: Mon Jun 19 2006
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14/3/04 Emma Duckworth 7E An experiment to prepare ethene gas from ethanol and examine its properties: Aim: The purpose of this experiment was to prepare samples of ethene gas by dehydrating ethanol using aluminium oxide as a dehydrating agent and catalyst and then to perform various tests on the gas obtained to examine its properties. Apparatus: Chemicals: * Ethanol * Aluminium oxide * Lime water * Glass wool * Bromine water * Acidified potassium permanganate solution (very dilute). * Water Additional apparatus: * Boiling tube * Rubber stopper with hole * Delivery tube * Trough * Test- tube rack * 5 test tubes * 5 rubber stoppers for test tubes * Retort stand * Spatula * Bunsen burner * Glass rod * Splint * Matches Diagram: - Preparation of ethene gas: Method: (1) Preparation of ethene: ==> Pour some ethanol into the boiling tube to a 2-3 cm depth ==> Add some glass wool to soak up the ethanol, using a glass rod to push the wool down the tube. ==> Clamp the boiling tube in a horizontal position using a retort...
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