Question

The correct sequence of correct reagents for the following transformation is :-

(1) (i) Fe, HCl 

(ii) Cl₂, HCl, 

(iii) NaNO₂, HCl, 0°C 

(iv) H₂O/H⁺ 

(2) (i) Fe, HCl 

(ii) NaNO₂, HCl, 0°C 

(iii) H₂O/H⁺ 

(iv) Cl₂, FeCl₃ 

(3) (i) Cl₂, FeCl₃ 

(ii) Fe, HCl 

(iii) NaNO₂, HCl, 0°C 

(iv) H₂O/H⁺ 

(4) (i) Cl₂, FeCl₃ 

(ii) NaNO₂, HCl, 0°C 

(iii) Fe, HCl 

(iv) H₂O/H⁺

Answer 1

Answer is : (3)