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How will you convert propanoic acid into...

How will you convert propanoic acid into the following componds? Ethane

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Propanoic acid is treated with NaOH to from sodium propanoate and it is then decarboxylated by heating with soda lime.
`CH_3CH_2COOH+NaOH rarrCH_3CH_2COONa+H_2O`
`CH_3CH_2COONa+NaOH overset (CaO)rarrCH_3CH_3+Na_2CO_3`
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A N EXCEL PUBLICATION-ALDEHYDE, KETONES AND CARBOXYLIC ACIDS-QUESTION BANK
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  4. How will you convert propanoic acid into the following compond? Butane

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