Which of the following statements regarding reaction rates and kinetic molecular

Question

Which of the following statements regarding reaction rates and kinetic molecular theory is NOT true?
A Higher concentrations of reactants typically lead to greater reaction rates because a

larger number of effective molecular collisions occur.
B Collisions between product molecules that reform reactant molecules do not affect

the overall rate of reaction.
C The actual dependence of reaction rate on concentration must be determined
experimentally because it depends on the reaction mechanism.
D At t = 0, the maximum rate should be observed because only reactant molecules are

present.
E As the reaction proceeds, fewer reactant molecules are present and the reaction rate

typically decreases.

Explanation / Answer

Solution. Statement B is not true.Because,the rate of reaction depending only the concentration of reactants (Collisions between ractant molecules), not depending on concentrations of products.

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