The P Block Elements - Result Question 44

####45. Sulphur trioxide can be obtained by which of the following reaction :

[2012]

(a) CaSO4+CΔ

(b) Fe2(SO4)3Δ

(c) S+H2SO4Δ

(d) H2SO4+PCI5Δ

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Solution:

(b) Fe2(SO4)3ΔFe2O3+SO3



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