Sodium salt of which acid will be needed for preparation of propane ? Write chemical equation for the reaction.

Sodium salt of which acid will be needed for preparation of propane ?

1.	Sodium salt of which acid will be needed for preparation of propane ? Write chemical equation for the reaction.
Answer» SOLUTION :Since one carbon ATOM is LOST as `CO_2` during decarboxylation, therefore , the ACID needed must CONTAIN one carbon atom more than propane , i.e., butanoic acid or 2-methylpropanoic acid