Question

Write balanced chemical equation to show

The oxidizing action of conc. sulphuric acid on carbon.

Answer 1

1. Conc. sulphuric acid$\left({\mathrm{H}}_2{\mathrm{SO}}_4\right)$ is a strong oxidising agent It reacts with carbon to form carbon dioxide$\left({\mathrm{CO}}_2\right)$, water and sulphur dioxide$\left({\mathrm{SO}}_2\right)$.
2. $$\begin{gathered} \mathrm{C}+2{\mathrm{H}}_2{\mathrm{SO}}_4\to {\mathrm{CO}}_2+2{\mathrm{H}}_2\mathrm{O}+2{\mathrm{SO}}_2 \\ \left(\mathrm{Carbon}\right)(\mathrm{Carbon}(\mathrm{Sulphur} \\ \mathrm{dioxide})\mathrm{dioxide}) \end{gathered}$$