Question

Which of the following is not true about a catalyst?

• A. Mechanism of the reaction in presence and absence of catalyst could be different
• B. Enthalpy of the reaction does not change with catalysts
• C. Catalyst enhances both forward and backward reaction at equal rate
• D. Catalyst participates in the reaction, but not consumed in the process
• E. Use of catalyst cannot change the order of the reaction

Hint:

Catalyst changes pathway, so reaction order can change.

Answer 1

Answer: (E)