Sulphur trioxide can be obtained by which of the following reaction?

Question

CaSO₄ + C $$\buildrel \Delta \over \longrightarrow $$

Fe₂(SO₄)₃ $$\buildrel \Delta \over \longrightarrow $$

S + H₂SO₄ $$\buildrel \Delta \over \longrightarrow $$

H₂SO₄ + PCl₅ $$\buildrel \Delta \over \longrightarrow $$

Please login to view the detailed solution steps...