Q2 / 180 · KCET 2007 · Chemistry

$2 \mathrm{SO}_{2}(g)+\mathrm{O}_{2}(g) \stackrel{\mathrm{V}_{2} \mathrm{O}_{5}}{\rightleftharpoons}$ is an example for

  • A
    neutralisation reaction
  • B
    homogeneous catalysis
  • Correct answer
    C
    heterogeneous catalysis
  • D
    irreversible reaction

Solution

$2 \mathrm{SO}_{2}(g)+\mathrm{O}_{2}(g) \underset{\text { (solid) }}{\stackrel{\mathrm{V}_{2} \mathrm{O}_{5}}{\rightleftharpoons}} 2 \mathrm{SO}_{3}(g)$ In this reaction reactants as well as the catalyst are present in more than one phase hence it is an example of heterogenous catalysis.

Hence, the correct answer is option: 'C'.

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