Which of the following is not true with respect to a catalyst?
A
A promoter cannot catalyse the reaction on its own without the presence of a catalyst.
B
When a solid catalyst is used for gaseous reaction, energy released in physisorption increases the rate of a reaction.
C
A catalyst increases the rate of a reaction while inhibitor decreases the reaction rate.
D
The activity of enzyme catalyst increases in the presence of metal ions like $$Mn^{2+}$$, $$Co^{2+}$$, etc.
Correct option is D. When a solid catalyst is used for gaseous reaction, energy released in physisorption increases the rate of a reaction.
