Benzene can be prepared from sodium benzoate by reaction with:
Correct answer: B. NaOH
- A. AlCl3
- B. NaOH
- C. Chlorobenzenes
- D. Cumene
Explanation
Sodium benzoate is converted to benzene by heating with a mixture of NaOH and CaO.
This question appeared on the NUMS 2021 paper, which you can sit online with every answer explained.
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About Benzene and Aromatic Compounds
Benzene has a planar ring of delocalised π electrons, giving aromatic stability and equal carbon-carbon bond lengths. The topic covers resonance, electrophilic substitution reactions such as nitration, halogenation, sulphonation and Friedel-Crafts reactions, along with substituent effects and the distinction between substitution in benzene and addition in ordinary alkenes.
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