wow are SO2Cl2 and SO2 obtained from sulphuric acid?

SO2Cl2 is formed from H2SO4 by treating with excess of phosphorus pentachloride. H2SO4+ 2PCl5→ SO2Cl2+2HCl+2POCl3SO2 is obtained from H2SO4, when heated with copper metal.2H2SO4+CuSO4+2H2+2SO2

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wow are ${SO}_{2} {Cl}_{2}$ and SO₂obtained from sulphuric acid?

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Detailed Solution

${SO}_{2} {Cl}_{2}$ is formed from $H_{2} {SO}_{4}$ by treating with excess of phosphorus pentachloride. $H_{2} {SO}_{4} + 2 {PCl}_{5} \to {SO}_{2} {Cl}_{2} + 2 HCl + 2 {POCl}_{3}$
SO₂is obtained from $H_{2} {SO}_{4},$ when heated with copper metal.
$2 H_{2} {SO}_{4} + {CuSO}_{4} + 2 H_{2} + 2 {SO}_{2}$