Identify the reaction in which monobasic and dibasic acids are formed.
- $\mathrm{FeSO}_4+\mathrm{H}_2 \mathrm{SO}_4+\mathrm{Cl}_2 \longrightarrow$
- $\mathrm{Na}_2 \mathrm{~S}_2 \mathrm{O}_3+\mathrm{Cl}_2+\mathrm{H}_2 \mathrm{O} \longrightarrow$
- $\mathrm{Na}_2 \mathrm{SO}_3+\mathrm{H}_2 \mathrm{O}+\mathrm{Cl}_2 \longrightarrow$
- $\mathrm{SO}_2+2 \mathrm{H}_2 \mathrm{O}+\mathrm{Cl}_2 \longrightarrow$
Solution
Asked in: AP EAMCET 2018 (22 Apr Shift 2)