Question

Identify the reagents A, B, C, D, E and F required for the following conversion:

\[\ce{C6H5NO2->[A]C6H5NH2->[B]C6H5N2+Cl- ->[C]C6H5Cl->[D]C6H5OH->[H2SO4]E + F}\]

Answer 1

A → Sn + conc. HCl
B → NaNO₂ + conc. HCl
C → Cu₂Cl₂ + HCl
D → NaOH
E → 2-hydroxy benzene sulphonic acid.
F → 4-hydroxy benzene sulphonic acid.