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Question
How is ethane prepared in the laboratory?
Chemical Equations/Structures
Diagram
Short Answer
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Solution
Reactants: Sodium propanoate (sodium propionate) and soda lime.
Procedure: A mixture of sodium propionate and soda lime is taken in a boiling tube and heated over a bunsen burner (as shown in fig.)
Reaction: \[\ce{C2H5COONa + NaOH ->[CaO][300^\circ C] Na2CO3 + C2H6\uparrow}\]
Collection: The gas evolved is collected by downward displacement of water.
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Hydrocarbons: Alkanes
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