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Preparations and Uses of Sodium Bicarbonate and Common Salt

Preparation o...

Question

Preparation of ethane from sodium propionate:

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Solution

When sodium propanoate reacts with sodalime, ethane is obtained.
$C H_{3} C H_{2} C O O N a + N a O H C a O - - \to Δ C_{2} H_{6} + N a_{2} C O_{3}$
Sodalime is mixture of $N a O H$ and $C a O$ .

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