Questions/P Block elements G15-18/Write the conditions...
Group 16 ElementsP Block elements G15-18

Write the conditions to maximize the yield of H2SO4H_{2}SO_{4} by Contact process.

Expert Answer

Reaction: 2SO2(g)+O2(g)⇌2SO3(g)2SO_{2}(g) + O_{2}(g) \rightleftharpoons 2SO_{3}(g); ΔrH⊖=−196.6 kJmol−1\Delta_{r}H^{\ominus} = -196.6~kJmol^{-1}. Conditions: Low temperature (but not too low to slow rate) and high pressure.

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