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Class 12 Chemistry Practice Test: Chemical Kinetics - Temperature Dependence of the Rate of a Reaction
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Class 12 Chemistry Practice Test: Chemical Kinetics - Temperature Dependence of the Rate of a Reaction
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10 Questions

1. What happens to the peak of the curve in the Maxwell-Boltzmann distribution graph if temperature increases?
2. The activation energy of a reaction is 50 kJ mol-1 and the value of rate constant at 300 K is 2.5×10-5 sec-1. What is the value of the frequency factor, A?
3. The rate of a reaction depends on the temperature.
4. The rate constant of a reaction is 6 × 10-3 s-1 at 50° and 9 × 10-3 s-1 at 100° C. Calculate the energy of activation of the reaction.
5. What is R in the equation k = Ae-Ea/RT?
6. Which of the following represents the Boltzmann factor?
7. What is the value of rate constant k if the value of the activation energy Ea and the frequency factor A are 49 kJ / mol and 9 × 1010 s-1 respectively? (T = 313 K)
8. Which of the following is the correct expression for the temperature coefficient (n)?
9. The rate of reaction increases with a rise in temperature.
10. Which of the following is the correct Arrhenius equation?

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