Sulphuric acid reacts with $\mathrm{PCl}_{5}$ to give

Sulphuric acid reacts with $\mathrm{PCl}_{5}$ to give
  1. Thionyl chloride
  2. Sulphur monochloride
  3. Sulphuryl chloride
  4. Sulphur tetrachloride

Solution

$\begin{aligned}\mathrm{HO}-\mathrm{SO}_{2}-O H+\mathrm{PCl}_{5} & ightarrow \mathrm{Cl}-\mathrm{SO}_{2}-O &+\mathrm{POCl}_{3}+\mathrm{HCl}\end{aligned}$

Asked in: JEE-TOPICTESTS-CHEMISTRY

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