Comprehension Passage
Catalysts are the chemical substances used in chemical reactions to accelerate the rate of reaction. Different reactions can be accelerated using different catalysts. Catalysts themselves do not get consumed in the reaction. In biological systems, enzyme serves the function of catalyst for different metabolic processes.
Which of the following statements is correct?
1
The same catalysis can be used for a variety of reactants.
2
Catalysts are heterogenous only
3
Catalysts alter the path of reaction to a path of different activation energy.
4
Catalysts cannot be poisoned once the reaction is started.