• # question_answer Benzene is prepared in laboratory from which one of the following compounds [MP PMT 1996] A) ${{C}_{6}}{{N}_{5}}{{N}_{2}}Cl$ B) ${{C}_{6}}{{H}_{5}}OH$ C) ${{C}_{6}}{{H}_{5}}COONa$ D) ${{C}_{6}}{{H}_{5}}S{{O}_{3}}H$

Correct Answer: C

Solution :

$\underset{\text{Sodium}\,\text{benzoate}}{\mathop{{{C}_{6}}{{H}_{5}}COONa}}\,+NaOH\xrightarrow{CaO}\underset{\text{Benzene}}{\mathop{{{C}_{6}}{{H}_{6}}}}\,+N{{a}_{2}}C{{O}_{3}}$

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