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Question
Write the reactions involved Decarboxylation reaction
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Solution
Decarboxylation reaction: Carboxylic acid lose CO2 to form hydrocarbons when their sodium salts are heated with sodalime (NaOH and CaO in the ratio 3:1). The reaction is known as decarboxylation reaction
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\[\begin{array}{cc}
\ce{COOH}\phantom{.......}\\
/\phantom{...............}\\
\ce{CH2 ->[\Delta] CH3COOH + A}\\
\backslash\phantom{................}\\
\ce{COOH}\phantom{........}
\end{array}\]
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\[\begin{array}{cc}
\phantom{}\ce{\underset{}{(X)} ->[CH3COONa][(CH3CO)2O] Cinnamic acid, is}\\
\end{array}\]
In the following reaction, product P is:
\[\begin{array}{cc}
\phantom{....................}\ce{\underset{}{R - C - Cl} ->[H2][ Pd.BaSO4] \underset{}{P}}\\\phantom{}||\\\phantom{}\ce{O}\\
\end{array}\]
