Question

Which of the following statements is NOT correct regarding chemical catalysts?

• A. They are not consumed during the chemical reaction.
• B. They cannot make nonspontaneous reactions occur.
• C. They do not have to be the same phase as the reactant molecules.
• D. They shift equilibrated reactions to the product's side.
• E. Enzymes are biological catalysts.

Answer 1

The correct option is D They shift equilibrated reactions to the product's side.

Addition of any catalyst will not shift the equilibrium position of the reaction. The catalyst only helps the reaction to reach equilibrium quickly by altering the reaction pathway by lowering the activation energy. It increases the rate of the both forward & backward reaction in same amounts so as to attain equilibrium quickly.