What is used as a catalyst in the Wacker process?

Which statement is incorrect for a catalyst?

Below,some catalysts and corresponding processes/reactions are matched. The mismatch is

Which reaction characteristics are changing by the addition of a catalyst to a reaction at constant temperature: $(i)$ Activation energy,$(ii)$ Equilibrium constant,$(iii)$ Reaction entropy,$(iv)$ Reaction enthalpy?

Which of the following statements regarding catalyst is not true?

Which of the following statements is true for a catalyst?