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What is the effect of using vanadium (V) oxide as catalyst in the reaction represented...

Chemistry
WAEC 2000

What is the effect of using vanadium (V) oxide as catalyst in the reaction represented by the following equation? 2SO2 + O2 ⇌ 2SO3; ∆H = - xKJmol-1

  • A. Decreases the value of ∆H
  • B. Increases the collision rate of reactant particles
  • C. Shifts equilibrium position to the right
  • D. Reduces the time for attainment of equilibrium
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Correct Answer: Option D
Explanation

In the contact process above; a temperature of about 500ºC and use of Vanadium(V)Oxide catalyst increase the reaction rate and enable equilibrium to be reached in a shorter time.

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