Which of the following statements is incorrect? (1) The efficiency of a heterogeneous catalyst d...

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Which of the following statements is incorrect?
(1) The efficiency of a heterogeneous catalyst depends upon its surface area.
(2) Catalyst operates by providing alternate path for the reaction that involves a lower activation energy.
(3) Catalyst lowers the energy of activation of the forward direction without affecting the energy of activation of the backward direction.
(4) Catalyst does not affect the overall enthalpy change of the reaction.
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