In some reactions, a product formed acts as a catalyst. The phenomenon is called:
Correct answer: D. Autocatalysis
- A. Negative catalysis
- B. Activation of catalyst
- C. Heterogeneous catalysis
- D. Autocatalysis
Explanation
Autocatalysis is the phenomenon in which a product formed in a reaction acts as a catalyst for the same reaction. As the concentration of the product increases, the rate of the reaction also increases. This can lead to a positive feedback loop, where the reaction rate increases exponentially until other factors limit the process.
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About Reaction Kinetics
Reaction kinetics relates reaction rate to concentration, temperature, surface area and catalysts. Questions cover rate laws, reaction order, rate constants, activation energy and the activated complex, including how a catalyst lowers the activation energy without changing the overall energy change or equilibrium position.
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