JEE Main 202529 Jan, Evening shiftChemistryEasyOrganic Compounds Containing Nitrogen35× since 2005Which one of the following reaction sequences will give an azo dye ?AOption A. Benzonitrile →(i) 70% H2SO4 (ii) PCl5 (iii) aniline\xrightarrow{\text{(i) 70\% } \mathrm{H_2SO_4} \text{ (ii) } \mathrm{PCl_5} \text{ (iii) aniline}}(i) 70% H2SO4 (ii) PCl5 (iii) anilineBOption B. Aniline →(i) HCl/NaNO2 (ii) toluene\xrightarrow{\text{(i) } \mathrm{HCl/NaNO_2} \text{ (ii) toluene}}(i) HCl/NaNO2 (ii) tolueneCOption C. Benzenesulphonic acid →(i) SOCl2 (ii) NH3 (iii) benzyl chloride\xrightarrow{\text{(i) } \mathrm{SOCl_2} \text{ (ii) } \mathrm{NH_3} \text{ (iii) benzyl chloride}}(i) SOCl2 (ii) NH3 (iii) benzyl chlorideDOption D. Nitrobenzene →(i) Sn/HCl (ii) NaNO2/HCl (iii) β-naphthol, NaOH\xrightarrow{\text{(i) Sn/HCl (ii) } \mathrm{NaNO_2/HCl} \text{ (iii) } \beta\text{-naphthol, NaOH}}(i) Sn/HCl (ii) NaNO2/HCl (iii) β-naphthol, NaOHCheckSkip · show solution
