When the total number of moles of
reactants and products are equal then the
equilibrium state is NOT disturbed by:
A. Concentration change
B. Pressure change
C. Temperature change
D. Catalyst



Answer :

Final answer:

Equilibrium in a chemical reaction remains undisturbed by catalysts. Changes in concentration, pressure, and temperature can disrupt equilibrium.


Explanation:

Equilibrium in a chemical reaction is not disturbed by the presence of a catalyst because a catalyst only influences the rate of the reaction, not the equilibrium position. Concentration, pressure, and temperature changes can disturb equilibrium, but adding a catalyst does not.


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