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Aim

Theory

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Procedure

Simulation

Posttest

References

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Rate constant and activation energy of potassium permanganate and oxalic acid reaction

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1. What is activation energy?

a: Kinetic energy of the molecules Explanation

Explanation

b: Total energy of the reacting molecules Explanation

Explanation

c: Minimum energy required to initiate a chemical reaction Explanation

Explanation

d: Maximum energy required to initiate a chemical reaction Explanation

Explanation

2.Rate constant of a bimolecular chemical reaction varies with?

a: concentration of the reactants Explanation

Explanation

b: Pressure of the chemical reaction Explanation

Explanation

c: Volume of the reaction vessel Explanation

Explanation

d: Temperature of the chemical reaction Explanation

Explanation

3. From the Arrhenius equation, we can calculate the

a: molecularity of a chemical reaction Explanation

Explanation

b: Rate constant of a chemical reaction Explanation

Explanation

c: Order of a chemical reaction Explanation

Explanation

d: Yield of a chemical reaction Explanation

Explanation

4. Using the Arrhenius equation, A can be expressed in terms of the

a: Activation energy only Explanation

Explanation

b: Activation energy and temperature. Explanation

Explanation

c: Rate constant only Explanation

Explanation

d: Activation energy, temperature, ideal gas constant and rate constant Explanation

Explanation

5. From Arrhenius equation, the slope of ln k vs 1/T is ?

a: -Ea/R Explanation

Explanation

b: -Ea/R Explanation

Explanation

c: -R/Ea Explanation

Explanation

d: R/Ea Explanation

Explanation

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