As compared to exothermic-reaction, formation of activated complex in endothermic reaction requires:
Correct answer: A. Greater Ea
- A. Greater Ea
- B. Smaller Ea
- C. Equal Ea
- D. No Ea
Explanation
The correct option is A as the endothermic reactions have a greater activation energy because the products of this reaction have more energy than the reactants. On the otherhand products in exothermic reaction have lesser energy than the reactants, therefore, the activation energy is lesser. The graph is shown below
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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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