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Question

What happens when sodium benzoate is heated with soda lime?

A
Formation of phenol take place
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B
Formation of benzene take place
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C
Formation of benzoic acid take place
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D
Formation of toluene take place
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Solution

The correct option is B Formation of benzene take place
Sodium salt of Benzoic acid on heating with soda lime (NaOH +CaO) the following decarboxylation reaction takes place resulting in formation of benzene and sodium carbonate.
C6H5COONa++NaOH+CaOΔC6H6+Na2CO3

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