33 What is the pH of an aqueous solution containing 0.12 M C₆H₅NH₂ (Kb=4.3×10⁻¹⁰) and 0.018 M C₆H₅NH₃Cl?(A)5.46(B)10.19(C)4.63(D)3.81(E)8.54

36 Which of the following statements regarding the effect of a catalyst on a reaction is not true?(A)A catalyst has no effect on the equilibrium composition of the reaction.(B)A catalyst provides a lower activation energy for the reaction.(C)When a reaction is catalyzed, both forward and reverse reactions are accelerated.(D)A catalyst speeds up a reaction by providing an alternate pathway for the reaction.(E)When a catalyst speeds up a reaction, the rate law remains the same.

33 What is the pH of an aqueous solution containing 0.12 M C₆H₅NH₂ (Kb=4.3×10⁻¹⁰) and 0.018 M C₆H₅NH₃Cl?
(A)5.46
(B)10.19
(C)4.63
(D)3.81

(E)8.54

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