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in Physical and Chemical Equilibrium by (45.7k points)
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Choose the odd one out.

(a) 2CO(g) ⇌ CO2(g) + C(s)

(b) Ag2O(s) + 2NH3(aq) ⇌ 2AgNO3(aq) + H2O(l)

(c) 2SO2(g) + O2(g) ⇌ 2SO3(g)

(d) CaCO3(s) ⇌ CaO(s) + CO2(g)

1 Answer

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Best answer

(c) 2SO2(g) + O2(g) ⇌ 2SO3(g)

Synthesis of SO3 is an example of homogeneous equilibrium whereas the others a, b and d are heterogeneous equilibrium.

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