Chemistry > 2000 > 25
WASSCE
What is the effect of using vanadium (V) oxide as catalyst in the reaction represent by the following equation?
2SO2 + O2 ⇌ 2SO3; ∆H = -xKjmol-1
2SO2 + O2 ⇌ 2SO3; ∆H = -xKjmol-1
A.
Decreases the values of ∆H
B.
increase the collision rate of reactant particles
C.
shift equillibrum position to the right
D.
reduces the time for attainment of equilibrium
Answer: D
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