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Wurtz Reaction

Write the bal...

Question

Write the balanced equation for the preparation of Ethene from Bromoethane

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Solution

The molecular formula of Ethene is $(C_{2} H_{4})$
The molecular formula of Bromoethane is $(C H_{3} C H_{2} B r)$
Reaction to the formation of Ethene $(C_{2} H_{4})$ from Bromoethane $(C H_{3} C H_{2} B r)$ :
Ethene is an unsaturated hydrocarbon whereas Bromoethane $(C H_{3} C H_{2} B r)$ is an alkyl halide
When Bromoethane $(C H_{3} C H_{2} B r)$ is heated with alcoholic Potassium hydroxide $(K O H)$ , a Water molecule is eliminated from the Bromoethane $(C H_{3} C H_{2} B r)$ molecule and Ethene $(C_{2} H_{4})$ is given as the product.
The chemical reaction is as follows:
$\underset{Bromoethane}{C_{2} H_{5} B r (l)} + \underset{P o t a s s i u m h y d r o x i d e}{K O H (a l c .)} \to \underset{Ethylene}{C H_{2} = C H_{2} (g)} + \underset{Potassium bromide}{K B r (s)}$

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