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प्रश्न
How will you prepare propane from a sodium salt of fatty acid?
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उत्तर
\[\ce{CH3 \underset{\text{(Sodium Salt of butyric acid)}}{- CH2 - CH2 - COONa} ->[NaOH/CaO] \underset{\text{(Propane)}}{CH3 - CH2} - CH3 + Na2CO3}\]
Sodium salt of butyric acid on heating with sodalime gives propane.
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\[\begin{array}{cc}
\phantom{..............................}\ce{CH3}\\
\phantom{...........................}|\\
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