Chemistry · PYQ NEET UG 2025

Which one of the following reactions does NOT give benzene as the product ?

1. A
   \( \mathrm{C}_6\mathrm{H}_5\mathrm{COONa} + \mathrm{NaOH} \xrightarrow{\mathrm{CaO}, \Delta} \)
2. B
   n-hexane \( \xrightarrow{\mathrm{Mo}_2\mathrm{O}_3, 773\mathrm{K}, 10-20\text{ atm}} \)
3. C
   \( \mathrm{H}-\mathrm{C}\equiv\mathrm{C}-\mathrm{H} \xrightarrow{\text{red hot Iron Tube, } 873\mathrm{K}} \)
4. D
   \( \mathrm{C}_6\mathrm{H}_5\mathrm{N}_2^+\mathrm{Cl}^- \xrightarrow{\mathrm{H}_2\mathrm{O}, \text{warm}} \)