Question

Which of the following reagents cannot be used for the given conversion?

• A. $Sn-HCl$
• B. $Fe-HCl$
• C. $LiAl{H}_4$
• D. $Pd/C$

Answer 1

Answer: (C)

With $LiAl{H}_4$ nitroarenes give azo compounds.
$2C_6{H}_{5}N{O}_2\stackrel{LiAl{H}_4}{\to }{C}_6{H}_5-N=N-C_6{H}_5$