Which statements is true for a catalyst? A catalyst increases rate by a increasi

Question

Which statements is true for a catalyst? A catalyst increases rate by a increasing the activation energy. A catalyst increases rate by a decreasing the activation energy. A catalyst increases rate by providing a reaction which has lower activation energy. A catalyst increases rate by increasing the frequency factor A. A reaction follows the following two-step mechanism. 2A rightarrow A_2 Slow A_2 + B rightarrow A_2B Fast Overall: 2A + B = A_2B What is the rate law? Rate =k[A]^2[B] Rate = k[A][B] Rate = k[A_2][B] Rate = k[A]^2 Which of the following statements are true? The equilibrium constant for the forward reaction is equal to the equilibrium constant for the reverse reaction. Dynamic equilibrium indicates that the amount of reactants and products are equal A reaction quotient (Q) larger than the equilibrium constant (K) means that the reaction will favor the production of more products. Dynamic equilibrium occurs when the rate of the forward reaction equa

Explanation / Answer

A:- 10. B) A catalyst increase rate by decreasing the activation energy.

      11. D) Rate = K [A]2 => Slow step is the rate determining step.

       12. E) All the above are true => A, B, C, D are true for The dynamic equilibrium of reversible reaction.

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