Question

Aniline is prepared in presence of $Fe/HCl$ from

• A. benzene
• B. nitrobenzene
• C. dinitrobenzene
• D. none of these

Answer 1

Answer: (B)

nitrobenzene

Answer 2

Preparation of aniline from nitrobenzene

(i) $3Fe +6HCl \to 3FeCl_{2}+6H$
(ii) $C_{6}H_{5}NO_{2}+6H\to C_{6}H_{5}NH_{2}+2H_{2}O$
(iii) $FeCl_{2}+2H_{2}O\to Fe(OH)_{2}+2HCl$
(iv) $C_{6}H_{5}NO_{2}+2Fe(OH)_{2}+4H_{2}O\to C_{6}H_{5}NH_{2}+Fe(OH)_{3}$