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NEET 2025 · ChemistryPrevious Year Question

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

Answer: (B) Benzenediazonium chloride ( $C X_{6} H X_{5} N X_{2} X^{+} Cl X^{-}$ ) warmed with $H X_{2} O$ .

A. $HC \equiv CH$ passed through red-hot iron tube at 873 K
B.Benzenediazonium chloride ( $C X_{6} H X_{5} N X_{2} X^{+} Cl X^{-}$ ) warmed with $H X_{2} O$ ✓
C.Sodium benzoate ( $C X_{6} H X_{5} COONa$ ) heated with soda lime ( $Δ$ )
D. $n$ -hexane heated over $Mo X_{2} O X_{3}$ at 773 K, 10-20 atm

Correct Answer

(B) Benzenediazonium chloride ( $C X_{6} H X_{5} N X_{2} X^{+} Cl X^{-}$ ) warmed with $H X_{2} O$

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